Description
Jenkins Gitlab Hook Plugin 1.4.2 and earlier does not escape project names in the build_now endpoint, resulting in a reflected XSS vulnerability.
Remediation
References
http://packetstormsecurity.com/files/155967/Jenkins-Gitlab-Hook-1.4.2-Cross-Site-Scripting.html
http://www.openwall.com/lists/oss-security/2020/01/15/1
https://jenkins.io/security/advisory/2020-01-15/#SECURITY-1683
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