Jenkins 2.244 and earlier, LTS 2.235.1 and earlier does not escape correctly the 'href' attribute of links to downstream jobs displayed in the build console page, resulting in a stored cross-site scripting vulnerability.
https://github.com/advisories/GHSA-gfhj-524q-gcrm
https://jenkins.io/security/advisory/2020-07-15/#SECURITY-1945