[org.jenkins-ci.ruby-plugins:gitlab-hook] Reflected XSS vulnerability in Jenkins gitlab-hook Plugin

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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-2096
• https://jenkins.io/security/advisory/2020-01-15/#SECURITY-1683
• 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://github.com/advisories/GHSA-8696-836p-c8qp