Guest Support <= 1.2.3 - Unauthenticated User Email Disclosure in guest_support_handler AJAX Endpoint
Vulnerability Description
The Guest Support plugin for WordPress is vulnerable to User Email Disclosure in versions up to, and including, 1.2.3. This is due to the plugin exposing a public AJAX endpoint that allows anyone to search for and retrieve user email addresses without any authentication or capability checks. This makes it possible for unauthenticated attackers to enumerate user accounts and extract email addresses via the guest_support_handler=ajax endpoint with the request=get_users parameter.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-13660
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Md. Moniruzzaman Prodhan
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/01299aba-0dff-47fd-9e90-ee84f00a0f3b?source=cve
- https://plugins.trac.wordpress.org/browser/guest-support/trunk/includes/library/ajax.php#L22
- https://plugins.trac.wordpress.org/browser/guest-support/tags/1.2.3/includes/library/ajax.php#L22
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3412822%40guest-support&new=3412822%40guest-support&sfp_email=&sfph_mail=
Affected Vendor
rcatheme
View all reports →