GHSA-922h-x9qv-2274
GitHub Security Advisory
Jenkins PegDown Formatter Plugin has Cross-site Scripting vulnerability
✓ GitHub Reviewed
MODERATE
Has CVE
Advisory Details
PegDown Formatter Plugin uses the PegDown library to implement support for rendering Markdown formatted descriptions in Jenkins. It advertises disabling of HTML to prevent cross-site scripting (XSS) as a feature.
PegDown Formatter Plugin does not prevent the use of `javascript:` scheme in URLs for links. This results in an XSS vulnerability exploitable by users able to configure entities with descriptions or similar properties that are rendered by the configured markup formatter.
As of publication of this advisory, there is no fix.
Affected Packages
Maven
org.jenkins-ci.plugins:pegdown-formatter
Affected versions:
0
(last affected: 1.3)
Related CVEs
Key Information
5.0
/10
Dataset
Last updated: August 27, 2025 6:31 AM
Data from GitHub Advisory Database. This information is provided for research and educational purposes.