Medium (6.1) in jenkins queue cleanup. EPSS 1.1% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.plugins:queue-cleanup 1.4.
A form validation endpoint in Jenkins Queue cleanup Plugin 1.3 and earlier does not properly escape a query parameter displayed in an error message, resulting in a reflected XSS vulnerability.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)