Critical severity9.1NVD Advisory· Published Jul 13, 2026· Updated Jul 13, 2026
CVE-2026-11964
CVE-2026-11964
Description
The User Registration & Membership WordPress plugin before 5.2.2 does not verify the authenticity of incoming payment-provider webhook notifications before acting on them, allowing unauthenticated attackers to forge a payment-approved event and activate a paid membership subscription without completing a real payment.
Affected products
1- Range: <5.2.2
Patches
Vulnerability mechanics
References
1News mentions
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