CVE-2025-50186CWE-79

Chamilo: Stored XSS via Malicious CSV Filename in user_import.php

Medium · published March 2, 2026

CVSS v3.1
4.8
EPSS
0%
Percentile
23.0
In the wild
Unconfirmed
What it is

Chamilo is a learning management system. Prior to version 1.11.30, a stored cross-site scripting (XSS) vulnerability exists due to insufficient sanitization of CSV filenames. An attacker can upload a maliciously named CSV file (e.g., <img src=q onerror=prompt(8)>.csv) that leads to JavaScript execution when viewed by administrators or users with access to import logs or file views. This issue has been patched in version 1.11.30.

The record
Technical detail
CVSS v3.1
4.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00313 · 23.0th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-03-02T14:36Z
EPSS history
Timeline
  • 02 MAR 14:36Z
    Chamilo: Stored XSS via Malicious CSV Filename in user_import.php
    cvelistv5