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Status published
Medium
CVE-2025-52563
Chamilo: Reflected XSS via page parameter
Vulnerability Description
Chamilo is a learning management system. Prior to version 1.11.30, there is a reflected cross-site scripting (XSS) vulnerability due to insufficient sanitization of the page parameter in the session/add_users_to_session.php endpoint. This issue has been patched in version 1.11.30.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
chamilo
View all reports →Affected Software
chamilo-lms
Vulnerable Versions:
< 1.11.30
Timeline
Official Publish:
March 2nd, 2026
Last Modified:
March 3rd, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
MITRE ATT&CK TTPs
T1189
Drive-by Compromise
Initial Access
T1059.007
JavaScript
Execution
T1539
Steal Web Session Cookie
Collection
T1213
Data from Information Repositories
Collection
T1567
Exfiltration Over Web Service
Exfiltration
T1491.001
Defacement
Impact
T1059
Command and Scripting Interpreter
Execution
T1552
Unsecured Credentials
Credential Access
T1071
Application Layer Protocol
Command and Control
T1565
Data Manipulation
Impact