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CVE-2026-4002

MEDIUM 4.3 CVSS 3.1
Published
April 15, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-352
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Description

The Petje.af plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to and including 2.1.8. This is due to missing nonce validation in the ajax_revoke_token() function which handles the 'petjeaf_disconnect' AJAX action. The function performs destructive operations including revoking OAuth2 tokens, deleting user meta, and deleting WordPress user accounts (for users with the 'petjeaf_member' role) without verifying the request originated from a legitimate source. This makes it possible for unauthenticated attackers to force authenticated users to delete their Petje.af member user accounts via a forged request granted the victim clicks on a link or visits a malicious site.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • petjeaf Petje.af — Up to and including 2.1.8

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/petje-af/tags/2.1.8/includes/class-petje-af-oauth2-provider.php#L326
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/petje-af/tags/2.1.8/includes/class-petje-af-oauth2-provider.php#L346
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/petje-af/tags/2.1.8/includes/class-petje-af.php#L182
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/petje-af/trunk/includes/class-petje-af-oauth2-provider.php#L326
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/petje-af/trunk/includes/class-petje-af-oauth2-provider.php#L346
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/petje-af/trunk/includes/class-petje-af.php#L182
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/28a071ac-37ee-4fb9-b8c6-0a782ee673b4?source=cve
  • nvd.nist.gov Official NVD record