CVE-2026-1869 User Registration & Membership <= 5.2.0 - Missing Authorization to Unauthenticated Payment Bypass
Unauthenticated attackers can bypass payment checks to activate paid memberships, allowing unauthorized access to premium features.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1869?
CVE-2026-1869 is a medium-severity missing authorization vulnerability in wpeverest User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder, published on 26 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin for WordPress is vulnerable to unauthorized modification of data due to missing validation checks in the confirm_payment() function in all versions up to, and including, 5.2.0. This makes it possible for unauthenticated attackers to bypass payment processing and activate paid memberships.
Weakness: CWE-862
Which versions are affected by CVE-2026-1869?
How do I fix CVE-2026-1869?
No fix has been published for CVE-2026-1869 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-2026-1869 being exploited?
There is no known exploitation of CVE-2026-1869 in the wild and no public exploit code.
Sources
Also known as GHSA-97gw-4hgp-77mp.