Skip to content
OpenAdvisories
Medium · 4.4 CVE-2025-12018 EUVD-2025-119992GHSA-wh66-69pc-r9r5

MembershipWorks <= 6.14 - Authenticated (Admin+) Stored Cross-Site Scripting

Published Nov 12, 2025 · Updated Apr 8, 2026 · Assigned by Wordfence

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.

Affected products

VendorProductAffectedFixed
sourcefound MembershipWorks – Membership, Events & Directory ≤ 6.14 —

References