MembershipWorks <= 6.14 - Authenticated (Admin+) Stored Cross-Site Scripting
Vulnerability Description
The MembershipWorks – Membership, Events & Directory plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 6.14 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
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-2025-12018
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- ZAST.AI
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7cd412d8-6d14-4803-aae6-087e02f9d75f?source=cve
- https://wordpress.org/plugins/memberfindme/
- https://github.com/zast-ai/vulnerability-reports/blob/main/wordpress/plugin/memberfindme/stored-xss.md
- https://plugins.trac.wordpress.org/browser/memberfindme/tags/6.14/memberfindme.php#L103
- https://plugins.trac.wordpress.org/browser/memberfindme/tags/6.14/memberfindme.php#L437
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3393026%40memberfindme&new=3393026%40memberfindme&sfp_email=&sfph_mail=
Affected Vendor
sourcefound
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