Jenkins 2.244 and earlier, LTS 2.235.1 and earlier does not escape the upstream job’s display name shown as part of a build cause, resulting in a stored cross-site scripting vulnerability.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2221
Reference (s):
- https://jenkins.io/security/advisory/2020-07-15/#SECURITY-1901
- URL: https://jenkins.io/security/advisory/2020-07-15/#SECURITY-1901
- MLIST:[oss-security] 20200715 Multiple vulnerabilities in Jenkins and Jenkins plugins
- URL: http://www.openwall.com/lists/oss-security/2020/07/15/5