CVE-2025-55289

HIGH

8.8

Descripcion

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.

Detalles CVE

Puntuacion CVSS v3.18.8

SeveridadHIGH

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado3/6/2026

Ultima modificacion3/9/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

chamilo:chamilo_lms

Debilidades (CWE)

CWE-79

Referencias

https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.34(security-advisories@github.com)

https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-cchj-3qmf-82j5(security-advisories@github.com)

Correlaciones IOC

Sin correlaciones registradas

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