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CVE-2025-55289

HIGH CVSS 3.1: 8.8 EPSS 0.05%
Updated Mar 06, 2026
Payload
Parameter Value
CVSS 8.8 (HIGH)
Fixed In 1.11.34
Type CWE-79 (Cross-Site Scripting (XSS) (Межсайтовый скриптинг))
Vendor Payload
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Атака возможна удалённо
Attack Complexity
Low
Легко эксплуатировать
Privileges Required
Low
Нужны базовые права
User Interaction
None
Не нужно действие пользователя

Impact Assessment

Confidentiality
High
Полная утечка данных
Integrity
High
Полная модификация данных
Availability
High
Полный отказ в обслуживании

CVSS Vector v3.1