Description
Jenkins Git Parameter Plugin 0.9.12 and earlier does not escape the repository field on the 'Build with Parameters' page, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
Remediation
References
http://www.openwall.com/lists/oss-security/2020/09/01/3
https://jenkins.io/security/advisory/2020-09-01/#SECURITY-1884