Medium (4.8). EPSS 1.4% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.main:jenkins-core 2.176.3, 2.192.
A stored cross-site scripting vulnerability in Jenkins 2.191 and earlier, LTS 2.176.2 and earlier allowed attackers with Overall/Administer permission to configure the update site URL to inject arbitrary HTML and JavaScript in update center web pages.
Severity
CVSS 3.1
4.8 medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS
1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)