Jenkins Matrix Project Plugin 1.19 and earlier does not escape HTML metacharacters in node and label names, and label descriptions, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure permission.
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.jenkins.io/security/advisory/2022-01-12/#SECURITY-2017