Common Weakness Enumeration

CWE-94

Allowed-with-Review

Improper Control of Generation of Code ('Code Injection')

Abstraction: Base · Status: Draft

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

8305 vulnerabilities reference this CWE, most recent first.

CVE-2026-4506 (GCVE-0-2026-4506)

Vulnerability from cvelistv5 – Published: 2026-03-20 22:02 – Updated: 2026-03-23 16:40
VLAI
Title
Mindinventory MindSQL mindsql_core.py ask_db code injection
Summary
A vulnerability was found in Mindinventory MindSQL up to 0.2.1. Impacted is the function ask_db of the file mindsql/core/mindsql_core.py. Performing a manipulation results in code injection. The attack can be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.352072 vdb-entrytechnical-description
https://vuldb.com/?ctiid.352072 signaturepermissions-required
https://vuldb.com/?submit.773898 third-party-advisory
https://github.com/Ka7arotto/cve/blob/main/MindSQ… exploit
Impacted products
Vendor Product Version
Mindinventory MindSQL Affected: 0.2.0
Affected: 0.2.1
Create a notification for this product.
Credits
Goku (VulDB User) VulDB
Show details on NVD website

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CVE-2026-4495 (GCVE-0-2026-4495)

Vulnerability from cvelistv5 – Published: 2026-03-20 18:02 – Updated: 2026-03-20 21:26
VLAI
Title
atjiu pybbs CommentApiController.java create cross site scripting
Summary
A security flaw has been discovered in atjiu pybbs 6.0.0. This impacts the function create of the file src/main/java/co/yiiu/pybbs/controller/api/CommentApiController.java. The manipulation results in cross site scripting. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.352021 vdb-entrytechnical-description
https://vuldb.com/?ctiid.352021 signaturepermissions-required
https://vuldb.com/?submit.773780 third-party-advisory
https://fx4tqqfvdw4.feishu.cn/docx/PN3YdPBpsowyU1… exploit
Impacted products
Vendor Product Version
atjiu pybbs Affected: 6.0.0
Create a notification for this product.
Credits
xcxr (VulDB User)
Show details on NVD website

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CVE-2026-4494 (GCVE-0-2026-4494)

Vulnerability from cvelistv5 – Published: 2026-03-20 17:32 – Updated: 2026-03-24 19:31
VLAI
Title
atjiu pybbs TopicApiController.java create cross site scripting
Summary
A vulnerability was identified in atjiu pybbs 6.0.0. This affects the function create of the file src/main/java/co/yiiu/pybbs/controller/api/TopicApiController.java. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.352020 vdb-entrytechnical-description
https://vuldb.com/?ctiid.352020 signaturepermissions-required
https://vuldb.com/?submit.773779 third-party-advisory
https://fx4tqqfvdw4.feishu.cn/docx/EKVgdqWIzo70C0… exploit
Impacted products
Vendor Product Version
atjiu pybbs Affected: 6.0.0
Create a notification for this product.
Credits
xcxr (VulDB User)
Show details on NVD website

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CVE-2026-4474 (GCVE-0-2026-4474)

Vulnerability from cvelistv5 – Published: 2026-03-20 06:02 – Updated: 2026-03-24 01:55 X_Freeware
VLAI
Title
itsourcecode University Management System admin_single_student_update.php cross site scripting
Summary
A flaw has been found in itsourcecode University Management System 1.0. Impacted is an unknown function of the file /admin_single_student_update.php. This manipulation of the argument st_name causes cross site scripting. The attack may be initiated remotely. The exploit has been published and may be used.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.351764 vdb-entrytechnical-description
https://vuldb.com/?ctiid.351764 signaturepermissions-required
https://vuldb.com/?submit.772884 third-party-advisory
https://github.com/sjkdhl/public/issues/1 exploitissue-tracking
https://itsourcecode.com/ product
Impacted products
Credits
OneChicken (VulDB User)
Show details on NVD website

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CVE-2026-4356 (GCVE-0-2026-4356)

Vulnerability from cvelistv5 – Published: 2026-03-18 01:02 – Updated: 2026-03-18 14:11 X_Freeware
VLAI
Title
itsourcecode University Management System add_result.php cross site scripting
Summary
A flaw has been found in itsourcecode University Management System 1.0. Affected is an unknown function of the file /add_result.php. Executing a manipulation of the argument vr can lead to cross site scripting. The attack may be launched remotely. The exploit has been published and may be used.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.351395 vdb-entrytechnical-description
https://vuldb.com/?ctiid.351395 signaturepermissions-required
https://vuldb.com/?submit.772854 third-party-advisory
https://github.com/sulvant/Security/issues/2 exploitissue-tracking
https://itsourcecode.com/ product
Impacted products
Credits
sulvant (VulDB User)
Show details on NVD website

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CVE-2026-4355 (GCVE-0-2026-4355)

Vulnerability from cvelistv5 – Published: 2026-03-17 23:32 – Updated: 2026-03-18 20:19
VLAI
Title
Portabilis i-Educar Endpoint educar_servidor_curso_lst.php cross site scripting
Summary
A vulnerability was detected in Portabilis i-Educar 2.11. This impacts an unknown function of the file /intranet/educar_servidor_curso_lst.php of the component Endpoint. Performing a manipulation of the argument Name results in cross site scripting. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.351394 vdb-entrytechnical-description
https://vuldb.com/?ctiid.351394 signaturepermissions-required
https://vuldb.com/?submit.772839 third-party-advisory
https://github.com/CVE-Hunters/CVE/blob/main/i-ed… exploit
Impacted products
Vendor Product Version
Portabilis i-Educar Affected: 2.11
    cpe:2.3:a:portabilis:i-educar:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Saipe (VulDB User) VulDB
Show details on NVD website

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CVE-2026-4354 (GCVE-0-2026-4354)

Vulnerability from cvelistv5 – Published: 2026-03-17 23:32 – Updated: 2026-03-18 20:19
VLAI
Title
TRENDnet TEW-824DRU Web apply_sec.cgi sub_420A78 cross site scripting
Summary
A vulnerability was identified in TRENDnet TEW-824DRU 1.010B01/1.04B01. The impacted element is the function sub_420A78 of the file apply_sec.cgi of the component Web Interface. Such manipulation of the argument Language leads to cross site scripting. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.351381 vdb-entrytechnical-description
https://vuldb.com/?ctiid.351381 signaturepermissions-required
https://vuldb.com/?submit.772660 third-party-advisory
https://github.com/i-Corner/cve/issues/41 exploitissue-tracking
Impacted products
Vendor Product Version
TRENDnet TEW-824DRU Affected: 1.010B01
Affected: 1.04B01
    cpe:2.3:o:trendnet:tew-824dru_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
iC0rner (VulDB User) VulDB
Show details on NVD website

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CVE-2026-4257 (GCVE-0-2026-4257)

Vulnerability from cvelistv5 – Published: 2026-03-30 21:26 – Updated: 2026-04-08 16:48
VLAI
Title
Contact Form by Supsystic <= 1.7.36 - Unauthenticated Server-Side Template Injection via Prefill Functionality
Summary
The Contact Form by Supsystic plugin for WordPress is vulnerable to Server-Side Template Injection (SSTI) leading to Remote Code Execution (RCE) in all versions up to, and including, 1.7.36. This is due to the plugin using the Twig `Twig_Loader_String` template engine without sandboxing, combined with the `cfsPreFill` prefill functionality that allows unauthenticated users to inject arbitrary Twig expressions into form field values via GET parameters. This makes it possible for unauthenticated attackers to execute arbitrary PHP functions and OS commands on the server by leveraging Twig's `registerUndefinedFilterCallback()` method to register arbitrary PHP callbacks.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
Impacted products
Vendor Product Version
supsysticcom Contact Form by Supsystic Affected: 0 , ≤ 1.7.36 (semver)
Create a notification for this product.
Credits
Azril Fathoni
Show details on NVD website

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CVE-2026-4239 (GCVE-0-2026-4239)

Vulnerability from cvelistv5 – Published: 2026-03-16 13:02 – Updated: 2026-03-16 14:42
VLAI
Title
Lagom WHMCS Template Datatables prototype pollution
Summary
A vulnerability was found in Lagom WHMCS Template up to 2.3.7. Impacted is an unknown function of the component Datatables. The manipulation results in improperly controlled modification of object prototype attributes. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes
  • CWE-94 - Code Injection
Assigner
Impacted products
Vendor Product Version
Lagom WHMCS Template Affected: 2.3.0
Affected: 2.3.1
Affected: 2.3.2
Affected: 2.3.3
Affected: 2.3.4
Affected: 2.3.5
Affected: 2.3.6
Affected: 2.3.7
Create a notification for this product.
Credits
s4nnty (VulDB User) VulDB
Show details on NVD website

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CVE-2026-4225 (GCVE-0-2026-4225)

Vulnerability from cvelistv5 – Published: 2026-03-16 07:32 – Updated: 2026-03-16 17:15 X_Open Source
VLAI
Title
CMS Made Simple User Management listusers.php cross site scripting
Summary
A security flaw has been discovered in CMS Made Simple up to 2.2.21. Impacted is an unknown function of the file admin/listusers.php of the component User Management Module. Performing a manipulation of the argument Message results in cross site scripting. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.351148 vdb-entrytechnical-description
https://vuldb.com/?ctiid.351148 signaturepermissions-required
https://vuldb.com/?submit.770530 third-party-advisory
https://github.com/feixuezhi/cms/wiki exploit
Impacted products
Vendor Product Version
n/a CMS Made Simple Affected: 2.2.0
Affected: 2.2.1
Affected: 2.2.2
Affected: 2.2.3
Affected: 2.2.4
Affected: 2.2.5
Affected: 2.2.6
Affected: 2.2.7
Affected: 2.2.8
Affected: 2.2.9
Affected: 2.2.10
Affected: 2.2.11
Affected: 2.2.12
Affected: 2.2.13
Affected: 2.2.14
Affected: 2.2.15
Affected: 2.2.16
Affected: 2.2.17
Affected: 2.2.18
Affected: 2.2.19
Affected: 2.2.20
Affected: 2.2.21
    cpe:2.3:a:cms_made_simple:cms_made_simple:*:*:*:*:*:*:*:*
Credits
feioklucy (VulDB User)
Show details on NVD website

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            "technical-description"
          ],
          "url": "https://vuldb.com/?id.351148"
        },
        {
          "name": "VDB-351148 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.351148"
        },
        {
          "name": "Submit #770530 | cms made simple 2.2.21 XSS",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.770530"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/feixuezhi/cms/wiki"
        }
      ],
      "tags": [
        "x_open-source"
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-03-15T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-03-15T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-03-15T19:41:55.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "CMS Made Simple User Management listusers.php cross site scripting"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-4225",
    "datePublished": "2026-03-16T07:32:07.692Z",
    "dateReserved": "2026-03-15T18:36:51.235Z",
    "dateUpdated": "2026-03-16T17:15:48.555Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Mitigation
Architecture and Design

Strategy: Refactoring

Refactor your program so that you do not have to dynamically generate code.

Mitigation
Architecture and Design
  • Run your code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which code can be executed by your product.
  • Examples include the Unix chroot jail and AppArmor. In general, managed code may provide some protection.
  • This may not be a feasible solution, and it only limits the impact to the operating system; the rest of your application may still be subject to compromise.
  • Be careful to avoid CWE-243 and other weaknesses related to jails.
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.
  • To reduce the likelihood of code injection, use stringent allowlists that limit which constructs are allowed. If you are dynamically constructing code that invokes a function, then verifying that the input is alphanumeric might be insufficient. An attacker might still be able to reference a dangerous function that you did not intend to allow, such as system(), exec(), or exit().
Mitigation
Testing

Use dynamic tools and techniques that interact with the product using large test suites with many diverse inputs, such as fuzz testing (fuzzing), robustness testing, and fault injection. The product's operation may slow down, but it should not become unstable, crash, or generate incorrect results.

Mitigation MIT-32
Operation

Strategy: Compilation or Build Hardening

Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).

Mitigation MIT-32
Operation

Strategy: Environment Hardening

Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).

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-242: Code Injection

An adversary exploits a weakness in input validation on the target to inject new code into that which is currently executing. This differs from code inclusion in that code inclusion involves the addition or replacement of a reference to a code file, which is subsequently loaded by the target and used as part of the code of some application.

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.

CAPEC-77: Manipulating User-Controlled Variables

This attack targets user controlled variables (DEBUG=1, PHP Globals, and So Forth). An adversary can override variables leveraging user-supplied, untrusted query variables directly used on the application server without any data sanitization. In extreme cases, the adversary can change variables controlling the business logic of the application. For instance, in languages like PHP, a number of poorly set default configurations may allow the user to override variables.