Medium (5.4) in jenkins rundeck. EPSS 73% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.plugins:rundeck 3.6.11.
Jenkins Rundeck Plugin 3.6.10 and earlier does not restrict URL schemes in Rundeck webhook submissions, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to submit crafted Rundeck webhook payloads.
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
73% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)