CWE-94
Allowed-with-ReviewImproper 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.
8321 vulnerabilities reference this CWE, most recent first.
GHSA-2R5H-6R7V-5M7C
Vulnerability from github – Published: 2022-05-17 01:36 – Updated: 2024-04-25 22:09The Yaml::parse function in Symfony 2.0.x before 2.0.22 remote attackers to execute arbitrary PHP code via a PHP file, a different vulnerability than CVE-2013-1397.
{
"affected": [
{
"package": {
"ecosystem": "Packagist",
"name": "symfony/symfony"
},
"ranges": [
{
"events": [
{
"introduced": "2.0.0"
},
{
"fixed": "2.0.22"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Packagist",
"name": "symfony/yaml"
},
"ranges": [
{
"events": [
{
"introduced": "2.0.0"
},
{
"fixed": "2.0.22"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2013-1348"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": true,
"github_reviewed_at": "2024-04-25T22:09:29Z",
"nvd_published_at": "2014-06-02T15:55:00Z",
"severity": "HIGH"
},
"details": "The `Yaml::parse` function in Symfony 2.0.x before 2.0.22 remote attackers to execute arbitrary PHP code via a PHP file, a different vulnerability than CVE-2013-1397.",
"id": "GHSA-2r5h-6r7v-5m7c",
"modified": "2024-04-25T22:09:29Z",
"published": "2022-05-17T01:36:50Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1348"
},
{
"type": "WEB",
"url": "https://github.com/symfony/symfony/commit/ac756bf39e646b4e130fad058d10a0228dbd9779"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/81550"
},
{
"type": "WEB",
"url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2013-1348.yaml"
},
{
"type": "WEB",
"url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/yaml/CVE-2013-1348.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/symfony/symfony"
},
{
"type": "WEB",
"url": "https://symfony.com/blog/security-release-symfony-2-0-22-and-2-1-7-released"
},
{
"type": "WEB",
"url": "https://web.archive.org/web/20150612022223/http://www.securityfocus.com/bid/57574"
}
],
"schema_version": "1.4.0",
"severity": [],
"summary": "Symphony Vulnerable to PHP Code Injection via YAML Parsing"
}
GHSA-2R65-43VV-HG7R
Vulnerability from github – Published: 2022-05-01 18:43 – Updated: 2022-05-01 18:43Multiple PHP remote file inclusion vulnerabilities in Centreon 1.4.1 (aka Oreon 1.4) allow remote attackers to execute arbitrary PHP code via a URL in the fileOreonConf parameter to (1) MakeXML.php or (2) MakeXML4statusCounter.php in include/monitoring/engine/.
{
"affected": [],
"aliases": [
"CVE-2007-6485"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2007-12-20T20:46:00Z",
"severity": "HIGH"
},
"details": "Multiple PHP remote file inclusion vulnerabilities in Centreon 1.4.1 (aka Oreon 1.4) allow remote attackers to execute arbitrary PHP code via a URL in the fileOreonConf parameter to (1) MakeXML.php or (2) MakeXML4statusCounter.php in include/monitoring/engine/.",
"id": "GHSA-2r65-43vv-hg7r",
"modified": "2022-05-01T18:43:21Z",
"published": "2022-05-01T18:43:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2007-6485"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/39065"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/4735"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/28112"
},
{
"type": "WEB",
"url": "http://securityreason.com/securityalert/3472"
},
{
"type": "WEB",
"url": "http://www.osvdb.org/39226"
},
{
"type": "WEB",
"url": "http://www.osvdb.org/39227"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/archive/1/485152/100/0/threaded"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/26883"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-2R77-FVV3-MM9J
Vulnerability from github – Published: 2025-01-06 18:31 – Updated: 2025-01-06 21:30Z-BlogPHP 1.7.3 is vulnerable to arbitrary code execution via \zb_users\theme\shell\template.
{
"affected": [],
"aliases": [
"CVE-2024-55529"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-01-06T18:15:22Z",
"severity": "CRITICAL"
},
"details": "Z-BlogPHP 1.7.3 is vulnerable to arbitrary code execution via \\zb_users\\theme\\shell\\template.",
"id": "GHSA-2r77-fvv3-mm9j",
"modified": "2025-01-06T21:30:51Z",
"published": "2025-01-06T18:31:04Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-55529"
},
{
"type": "WEB",
"url": "https://github.com/fengyijiu520/Z-Blog-"
}
],
"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"
}
]
}
GHSA-2R7Q-76H8-63HQ
Vulnerability from github – Published: 2022-05-17 05:34 – Updated: 2022-05-17 05:34functions.php in WHMCompleteSolution (WHMCS) 4.0.x through 5.0.x allows remote attackers to trigger arbitrary code execution in the Smarty templating system by submitting a crafted ticket, related to improper handling of characters in the subject field.
{
"affected": [],
"aliases": [
"CVE-2011-5061"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2012-01-14T03:57:00Z",
"severity": "HIGH"
},
"details": "functions.php in WHMCompleteSolution (WHMCS) 4.0.x through 5.0.x allows remote attackers to trigger arbitrary code execution in the Smarty templating system by submitting a crafted ticket, related to improper handling of characters in the subject field.",
"id": "GHSA-2r7q-76h8-63hq",
"modified": "2022-05-17T05:34:20Z",
"published": "2022-05-17T05:34:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2011-5061"
},
{
"type": "WEB",
"url": "http://forum.whmcs.com/showthread.php?t=43462"
},
{
"type": "WEB",
"url": "http://www.webhostingtalk.com/showpost.php?p=7848685\u0026postcount=35"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-2R7Q-W9HC-4RQ3
Vulnerability from github – Published: 2022-05-14 01:10 – Updated: 2022-05-14 01:10app\admin\controller\RouteController.php in ThinkCMF 5.0.190111 allows remote attackers to execute arbitrary PHP code by using vectors involving portal/List/index and list/:id to inject this code into data\conf\route.php, as demonstrated by a file_put_contents call.
{
"affected": [],
"aliases": [
"CVE-2019-6713"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-01-23T21:29:00Z",
"severity": "CRITICAL"
},
"details": "app\\admin\\controller\\RouteController.php in ThinkCMF 5.0.190111 allows remote attackers to execute arbitrary PHP code by using vectors involving portal/List/index and list/:id to inject this code into data\\conf\\route.php, as demonstrated by a file_put_contents call.",
"id": "GHSA-2r7q-w9hc-4rq3",
"modified": "2022-05-14T01:10:42Z",
"published": "2022-05-14T01:10:42Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-6713"
},
{
"type": "WEB",
"url": "https://www.thinkcmf.com/download.html"
},
{
"type": "WEB",
"url": "http://www.ttk7.cn/post-108.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-2R87-74CX-2P7C
Vulnerability from github – Published: 2024-12-12 19:21 – Updated: 2024-12-12 22:33Impact
Any user with an account can perform arbitrary remote code execution by adding instances of XWiki.WikiMacroClass to any page. This compromises the confidentiality, integrity and availability of the whole XWiki installation.
To reproduce on a instance, as a connected user without script nor programming rights, go to your user profile and add an object of type XWiki.WikiMacroClass. Set "Macro Id", "Macro Name" and "Macro Code" to any value, "Macro Visibility" to Current User and "Macro Description" to {{async}}{{groovy}}println("Hello from User macro!"){{/groovy}}{{/async}}.
Save the page, then go to <host>/xwiki/bin/view/XWiki/XWikiSyntaxMacrosList.
If the description of your new macro reads "Hello from User macro!", then your instance is vulnerable.
Patches
This vulnerability has been fixed in XWiki 15.10.11, 16.4.1 and 16.5.0.
Workarounds
It is possible to manually apply this patch to the page XWiki.XWikiSyntaxMacrosList.
References
- https://jira.xwiki.org/browse/XWIKI-22030
- https://github.com/xwiki/xwiki-platform/commit/40e1afe001d61eafdf13f3621b4b597a0e58a3e3
{
"affected": [
{
"package": {
"ecosystem": "Maven",
"name": "org.xwiki.platform:xwiki-platform-help-ui"
},
"ranges": [
{
"events": [
{
"introduced": "9.7-rc-1"
},
{
"fixed": "15.10.11"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.xwiki.platform:xwiki-platform-help-ui"
},
"ranges": [
{
"events": [
{
"introduced": "16.0.0-rc-1"
},
{
"fixed": "16.4.1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.xwiki.platform:xwiki-platform-help-ui"
},
"ranges": [
{
"events": [
{
"introduced": "16.5.0-rc-1"
},
{
"fixed": "16.5.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2024-55877"
],
"database_specific": {
"cwe_ids": [
"CWE-94",
"CWE-96"
],
"github_reviewed": true,
"github_reviewed_at": "2024-12-12T19:21:06Z",
"nvd_published_at": "2024-12-12T20:15:21Z",
"severity": "CRITICAL"
},
"details": "### Impact\nAny user with an account can perform arbitrary remote code execution by adding instances of `XWiki.WikiMacroClass` to any page. This compromises the confidentiality, integrity and availability of the whole XWiki installation.\n\nTo reproduce on a instance, as a connected user without script nor programming rights, go to your user profile and add an object of type `XWiki.WikiMacroClass`. Set \"Macro Id\", \"Macro Name\" and \"Macro Code\" to any value, \"Macro Visibility\" to `Current User` and \"Macro Description\" to `{{async}}{{groovy}}println(\"Hello from User macro!\"){{/groovy}}{{/async}}`.\nSave the page, then go to `\u003chost\u003e/xwiki/bin/view/XWiki/XWikiSyntaxMacrosList`.\nIf the description of your new macro reads \"Hello from User macro!\", then your instance is vulnerable.\n\n### Patches\nThis vulnerability has been fixed in XWiki 15.10.11, 16.4.1 and 16.5.0.\n\n### Workarounds\nIt is possible to manually apply [this patch](https://github.com/xwiki/xwiki-platform/commit/40e1afe001d61eafdf13f3621b4b597a0e58a3e3#diff-92fee29683e671b8bc668e3cf4295713d6259f715e3954876049f9de77c0a9ef) to the page `XWiki.XWikiSyntaxMacrosList`.\n\n### References\n\n* https://jira.xwiki.org/browse/XWIKI-22030\n* https://github.com/xwiki/xwiki-platform/commit/40e1afe001d61eafdf13f3621b4b597a0e58a3e3",
"id": "GHSA-2r87-74cx-2p7c",
"modified": "2024-12-12T22:33:07Z",
"published": "2024-12-12T19:21:06Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-2r87-74cx-2p7c"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-55877"
},
{
"type": "WEB",
"url": "https://github.com/xwiki/xwiki-platform/commit/40e1afe001d61eafdf13f3621b4b597a0e58a3e3"
},
{
"type": "PACKAGE",
"url": "https://github.com/xwiki/xwiki-platform"
},
{
"type": "WEB",
"url": "https://jira.xwiki.org/browse/XWIKI-22030"
}
],
"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 allows remote code execution from account through macro descriptions and XWiki.XWikiSyntaxMacrosList"
}
GHSA-2R9M-48QP-XV3J
Vulnerability from github – Published: 2022-05-02 03:56 – Updated: 2022-05-02 03:56PHP remote file inclusion vulnerability in mamboleto.php in the Fernando Soares Mamboleto (com_mamboleto) component 2.0 RC3 for Joomla! allows remote attackers to execute arbitrary PHP code via a URL in the mosConfig_absolute_path parameter.
{
"affected": [],
"aliases": [
"CVE-2009-4604"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2010-01-12T17:30:00Z",
"severity": "HIGH"
},
"details": "PHP remote file inclusion vulnerability in mamboleto.php in the Fernando Soares Mamboleto (com_mamboleto) component 2.0 RC3 for Joomla! allows remote attackers to execute arbitrary PHP code via a URL in the mosConfig_absolute_path parameter.",
"id": "GHSA-2r9m-48qp-xv3j",
"modified": "2022-05-02T03:56:11Z",
"published": "2022-05-02T03:56:11Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2009-4604"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/54662"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.org/0912-exploits/joomlamamboleto-rfi.txt"
},
{
"type": "WEB",
"url": "http://www.exploit-db.com/exploits/10369"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/37280"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-2RCJ-3WPJ-27F2
Vulnerability from github – Published: 2023-12-15 12:30 – Updated: 2023-12-15 12:30The Backup Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.3.7 via the /includes/backup-heart.php file. This is due to an attacker being able to control the values passed to an include, and subsequently leverage that to achieve remote code execution. This makes it possible for unauthenticated attackers to easily execute code on the server.
{
"affected": [],
"aliases": [
"CVE-2023-6553"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-12-15T11:15:47Z",
"severity": "CRITICAL"
},
"details": "The Backup Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.3.7 via the /includes/backup-heart.php file. This is due to an attacker being able to control the values passed to an include, and subsequently leverage that to achieve remote code execution. This makes it possible for unauthenticated attackers to easily execute code on the server.",
"id": "GHSA-2rcj-3wpj-27f2",
"modified": "2023-12-15T12:30:32Z",
"published": "2023-12-15T12:30:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6553"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.7/includes/backup-heart.php#L118"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.7/includes/backup-heart.php#L38"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.7/includes/backup-heart.php#L62"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.7/includes/backup-heart.php#L64"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=3006541%40backup-backup\u0026new=3006541%40backup-backup\u0026sfp_email=\u0026sfph_mail="
},
{
"type": "WEB",
"url": "https://www.synacktiv.com/en/publications/php-filters-chain-what-is-it-and-how-to-use-it"
},
{
"type": "WEB",
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/3511ba64-56a3-43d7-8ab8-c6e40e3b686e?source=cve"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/176638/WordPress-Backup-Migration-1.3.7-Remote-Command-Execution.html"
}
],
"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"
}
]
}
GHSA-2RCM-FQ84-JJCH
Vulnerability from github – Published: 2025-03-26 21:31 – Updated: 2025-03-27 15:31Telesquare TLR-2005KSH 1.1.4 is affected by an unauthorized command execution vulnerability when requesting the admin.cgi parameter with setAutorest.
{
"affected": [],
"aliases": [
"CVE-2025-26003"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-03-26T19:15:27Z",
"severity": "CRITICAL"
},
"details": "Telesquare TLR-2005KSH 1.1.4 is affected by an unauthorized command execution vulnerability when requesting the admin.cgi parameter with setAutorest.",
"id": "GHSA-2rcm-fq84-jjch",
"modified": "2025-03-27T15:31:05Z",
"published": "2025-03-26T21:31:07Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-26003"
},
{
"type": "WEB",
"url": "https://github.com/Fan-24/Digging/blob/main/5/1.md"
}
],
"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"
}
]
}
GHSA-2RG5-632F-RR5J
Vulnerability from github – Published: 2022-05-17 02:09 – Updated: 2022-05-17 02:09Multiple PHP remote file inclusion vulnerabilities in Specimen Image Database (SID), when register_globals is enabled, allow remote attackers to execute arbitrary PHP code via a URL in the dir parameter to (1) client.php or (2) taxonservice.php.
{
"affected": [],
"aliases": [
"CVE-2008-7152"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2009-09-01T16:30:00Z",
"severity": "MODERATE"
},
"details": "Multiple PHP remote file inclusion vulnerabilities in Specimen Image Database (SID), when register_globals is enabled, allow remote attackers to execute arbitrary PHP code via a URL in the dir parameter to (1) client.php or (2) taxonservice.php.",
"id": "GHSA-2rg5-632f-rr5j",
"modified": "2022-05-17T02:09:15Z",
"published": "2022-05-17T02:09:15Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2008-7152"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41097"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/28142"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/28142/exploit"
}
],
"schema_version": "1.4.0",
"severity": []
}
Mitigation
Strategy: Refactoring
Refactor your program so that you do not have to dynamically generate code.
Mitigation
- 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
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
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
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
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
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.