High

Jenkins AnchorChain Plugin Has a Cross-Site Scripting (XSS) Vulnerability

  • Disclosed: 19.03.2025
  • Updated: 11.10.2026 12:21

Jenkins AnchorChain Plugin 1.0 does not limit URL schemes for links it creates based on workspace content, allowing the javascript: scheme.

This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control the input file for the Anchor Chain post-build step.

As of publication of this advisory, there is no fix.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) org.jenkins-ci.plugins:anchorchain = 1.0 no fix

References

CVSS score 8/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-79
Platform
Java / Kotlin (Maven)
Package
org.jenkins-ci.plugins:anchorchain
Disclosed
19.03.2025
Updated
11.10.2026 12:21

Sources and licenses

OSV / GitHub Advisory Database - GHSA-xxrg-mg63-qfpj - CC BY 4.0

Vulnerability history: org.jenkins-ci.plugins:anchorchain

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

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