CVE-2020-2096 – Jenkins Gitlab Hook Plugin 1.4.2 and earlier does not escape project name

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.

Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2096

Reference (s):

• 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
• MLIST:[oss-security] 20200115 Multiple vulnerabilities in Jenkins plugins
• URL: http://www.openwall.com/lists/oss-security/2020/01/15/1