Jenkins Matrix Project Plugin 1.16 and earlier does not escape the axis names shown in tooltips on the overview page of builds with multiple axes, resulting in a stored cross-site scripting vulnerability.
https://github.com/timothee-chauvin/eyeballvul
https://github.com/advisories/GHSA-w43x-5f8f-686p
https://jenkins.io/security/advisory/2020-07-15/#SECURITY-1925