CVE-2026-3445 Missing authorization in Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress
Authenticated subscribers can bypass payment checks to obtain paid membership plans by manipulating subscription references during checkout.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-3445?
CVE-2026-3445 is a high-severity missing authorization vulnerability in properfraction Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress, published on 4 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress plugin for WordPress is vulnerable to unauthorized membership payment bypass in all versions up to, and including, 4.16.11. This is due to a missing ownership verification on the `change_plan_sub_id` parameter in the `process_checkout()` function. This makes it possible for authenticated attackers, with subscriber level access and above, to reference another user's active subscription during checkout to manipulate proration calculations, allowing them to obtain paid lifetime membership plans without payment via the `ppress_process_checkout` AJAX action.
Weakness: CWE-862
Which versions are affected by CVE-2026-3445?
How do I fix CVE-2026-3445?
No fix has been published for CVE-2026-3445 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-3445 being exploited?
There is no known exploitation of CVE-2026-3445 in the wild and no public exploit code.
Sources
Also known as GHSA-986f-m5hr-mcqp.