Chamilo LMS up to 1.11.29 Glossary cross site scripting

Summaryinfo

A vulnerability marked as problematic has been reported in Chamilo LMS up to 1.11.29. This vulnerability affects unknown code of the component Glossary. This manipulation causes cross site scripting. This vulnerability appears as CVE-2025-52482. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Chamilo LMS up to 1.11.29. Affected by this vulnerability is an unknown code of the component Glossary. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Chamilo is a learning management system. Prior to version 1.11.30, a Stored XSS vulnerability exists in the glossary function, enabling all users with the Teachers role to inject JavaScript malicious code against the administrator. This issue has been patched in version 1.11.30.

The advisory is shared at github.com. This vulnerability is known as CVE-2025-52482 since 06/17/2025. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are necessary for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 1.11.30 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 241c569dde0ad0e34d558ae51271f70438189b0e is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-208167). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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