Stored Cross-Site Scripting (XSS) Vulnerability in Jenkins Markdown Formatter Plugin

CVE-2021-21660 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Jenkins Markdown Formatter Plugin 0.1.0 and earlier does not sanitize crafted link target URLs, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with the ability to edit any description rendered using the configured markup formatter.

Learn more about our Web Application Penetration Testing UK.