CVE-2026-12949 Wishlist Member X <= 3.34.1 - Unauthenticated Account Takeover via 'mergewith' Parameter

The Wishlist Member plugin for WordPress is vulnerable to Account Takeover via Insufficient Verification of Data Authenticity in versions up to and including 3.34.1. This is due to the wpmregister function validating the registration cookie only against the GET reg parameter while accepting the...

CVE-2026-12949

The CVE concerns the Wishlist Member plugin for WordPress, affected in versions up to 3.34.1. The vulnerability arises in wpm_register() where the registration cookie is only validated against the GET reg parameter while POST mergewith and POST wpm_id are accepted without verifying that the refer...