Chamilo LMS up to 1.11.29 sub_language_ajax.inc.php new_language os command injection

Summaryinfo

A vulnerability has been found in Chamilo LMS up to 1.11.29 and classified as critical. This impacts an unknown function of the file /main/admin/sub_language_ajax.inc.php. This manipulation of the argument new_language causes os command injection. The identification of this vulnerability is CVE-2025-50197. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Chamilo LMS up to 1.11.29. It has been declared as critical. Affected by this vulnerability is an unknown part of the file /main/admin/sub_language_ajax.inc.php. The manipulation of the argument new_language with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Chamilo is a learning management system. Prior to version 1.11.30, there is an OS Command Injection vulnerability in /main/admin/sub_language_ajax.inc.php via the POST new_language parameter. This issue has been patched in version 1.11.30.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-50197 since 06/13/2025. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

By approaching the search of inurl:main/admin/sub_language_ajax.inc.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.11.30 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-208166). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Chamilo

Name

• LMS

Version

• 1.11.0
• 1.11.1
• 1.11.2
• 1.11.3
• 1.11.4
• 1.11.5
• 1.11.6
• 1.11.7
• 1.11.8
• 1.11.9
• 1.11.10
• 1.11.11
• 1.11.12
• 1.11.13
• 1.11.14
• 1.11.15
• 1.11.16
• 1.11.17
• 1.11.18
• 1.11.19
• 1.11.20
• 1.11.21
• 1.11.22
• 1.11.23
• 1.11.24
• 1.11.25
• 1.11.26
• 1.11.27
• 1.11.28
• 1.11.29

License

• open-source

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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