Chamilo is a learning management system. Prior to version 1.11.34, there is a stored XSS vulnerability in Chamilo LMS (Verison 1.11.32) allows an attacker to inject arbitrary JavaScript into the platform’s social network and internal messaging features. When viewed by an authenticated user (including administrators), the payload executes in their browser within the LMS context. This enables full account takeover via session hijacking, unauthorized actions with the victim’s privileges, exfiltration of sensitive data, and potential self-propagation to other users. This issue has been patched in version 1.11.34.
History

Fri, 06 Mar 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 06 Mar 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Chamilo
Chamilo chamilo Lms
Vendors & Products Chamilo
Chamilo chamilo Lms

Fri, 06 Mar 2026 04:15:00 +0000

Type Values Removed Values Added
Description Chamilo is a learning management system. Prior to version 1.11.34, there is a stored XSS vulnerability in Chamilo LMS (Verison 1.11.32) allows an attacker to inject arbitrary JavaScript into the platform’s social network and internal messaging features. When viewed by an authenticated user (including administrators), the payload executes in their browser within the LMS context. This enables full account takeover via session hijacking, unauthorized actions with the victim’s privileges, exfiltration of sensitive data, and potential self-propagation to other users. This issue has been patched in version 1.11.34.
Title Chamilo: Stored Cross Site Scripting in Skills Argumentation
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-03-06T03:27:45.731Z

Updated: 2026-03-06T16:09:43.050Z

Reserved: 2025-08-12T16:15:30.237Z

Link: CVE-2025-55289

cve-icon Vulnrichment

Updated: 2026-03-06T15:58:29.385Z

cve-icon NVD

Status : Received

Published: 2026-03-06T04:16:01.647

Modified: 2026-03-06T04:16:01.647

Link: CVE-2025-55289

cve-icon Redhat

No data.