Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not set Content-Security-Policy headers for files uploaded as file parameters to a build, resulting in a stored XSS vulnerability.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2162
Reference (s):
- https://jenkins.io/security/advisory/2020-03-25/#SECURITY-1793
- MLIST:[oss-security] 20200325 Multiple vulnerabilities in Jenkins and Jenkins plugins
- URL: http://www.openwall.com/lists/oss-security/2020/03/25/2