CVE-2025-55208CRITICAL 9.0EPSS p22.2%

CVE-2025-55208CVE-2025-55208

Description

Chamilo is a learning management system. Versions prior to 1.11.34 have a Stored XSS through insecure file uploads in `Social Networks`. Through it, a low-privilege user can execute arbitrary code in the admin user inbox, allowing takeover of the admin account. Version 1.11.34 fixes the issue.

Scoring

CVSS 3.19.0 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS0.31% probability of exploitation · percentile 22.2% · 2026-06-18T12:00:27Z
Published2026-03-05
Last modified2026-03-09

Underlying weaknesses· 1

CWE-79

References

  1. https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-2vq2-826h-6hp6

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting')cwe-790%live

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Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.