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.
https://www.oracle.com/security-alerts/cpuapr2022.html
https://jenkins.io/security/advisory/2019-08-28/#SECURITY-1453
https://access.redhat.com/errata/RHSA-2019:3144