Stored Cross-Site Scripting Vulnerability in MembershipWorks Plugin for WordPress

CVE-2025-12018

What is CVE-2025-12018?

The MembershipWorks – Membership, Events & Directory plugin for WordPress has a vulnerability that enables authenticated attackers with administrator-level permissions to exploit insufficient input sanitization and output escaping. This flaw allows the injection of arbitrary web scripts into pages, leading to potential execution whenever a user accesses these compromised pages. This issue primarily impacts multi-site installations and those configurations where unfiltered_html settings are disabled, emphasizing the need for site administrators to review their security settings and keep their plugins updated.

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