WordPress Pie Register <3.8.2.3 - Open Redirect

id: CVE-2023-0552

info:
  name: WordPress Pie Register <3.8.2.3 - Open Redirect
  author: r3Y3r53
  severity: medium
  description: |
    WordPress Pie Register plugin before 3.8.2.3 contains an open redirect vulnerability. The plugin does not properly validate the redirection URL when logging in and login out. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
  impact: |
    Authenticated attackers with low privileges can manipulate the redirect_to parameter during logout to redirect users to malicious sites for phishing attacks.
  remediation: |
    Fixed in version 3.8.2.3.
  reference:
    - https://wpscan.com/vulnerability/832c6155-a413-4641-849c-b98ba55e8551
    - https://nvd.nist.gov/vuln/detail/CVE-2023-0552
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 5.4
    cve-id: CVE-2023-0552
    cwe-id: CWE-601
    epss-score: 0.24263
    epss-percentile: 0.97855
    cpe: cpe:2.3:a:genetechsolutions:pie_register:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: genetechsolutions
    product: pie_register
    framework: wordpress
  tags: cve2023,cve,redirect,pie,pie-register,wpscan,genetechsolutions,wordpress,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-admin?piereg_logout_url=true&redirect_to=https://oast.me"

    redirects: true
    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?://|//)(?:[a-zA-Z0-9\-_\.@]*)oast\.me.*$'
# digest: 4a0a0047304502200dc0fec7881cb526cbb373bdcd69a3ce353f32f3c31a75cf0cc28dde9afee1df022100a244fc4f71d9fc770792552f108f1a92ee5d090258d5ec7fa861c8459fe01d51:922c64590222798bb761d5b6d8e72950