6.1Media
CVE-2026-82535Chamilo LMS Stored XSS via Survey Answer Submission in reporting.php
Descripción
Chamilo LMS before 1.11.42 and 3.0.0 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious script payloads into survey answers by computing deterministic invitation codes and bypassing authorization checks in the survey submission endpoint. Attackers can submit crafted answers containing unescaped HTML rendered in reporting views to execute arbitrary scripts in the browser sessions of teachers or administrators, enabling persistent backdoor account creation by exploiting the victim's authenticated session.
Debilidad (CWE):
CWE-79
Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.
Productos y versiones afectados
| Fabricante | Producto | Versiones | |
|---|---|---|---|
| chamilo | chamilo-lms | 1.11.0 – ≤ 1.11.40, 2.0.0 – ≤ 2.0.3, fixed 1.11.42, fixed 3.0.0 |
Referencias y parches
- GitHub Security Advisory (GHSA-m3wr-p8wj-jmf6) vendor-advisory
- Chamilo LMS v3.0.0 Release Notes release-notes
- Patch Commit (3.0.x) patch
- Patch Commit (1.11.x) patch
- Patch Commit (1.11.x) patch
- https://www.vulncheck.com/advisories/chamilo-lms-stored-xss-via-survey-answer-submission-in-reporting-php third-party-advisory