CVE-2026-1779 User Registration & Membership <= 5.1.2 - Authentication Bypass
Unauthenticated attackers can log in as newly registered users with specific metadata, leading to account takeover in the User Registration & Membership plugin.
- 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-2026-1779?
CVE-2026-1779 is a high-severity authentication bypass vulnerability in wpeverest User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder, published on 26 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The User Registration & Membership plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 5.1.2. This is due to incorrect authentication in the 'register_member' function. This makes it possible for unauthenticated attackers to log in a newly registered user on the site who has the 'urm_user_just_created' user meta set.
Weakness: CWE-288
Which versions are affected by CVE-2026-1779?
How do I fix CVE-2026-1779?
No fix has been published for CVE-2026-1779 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-1779 being exploited?
There is no known exploitation of CVE-2026-1779 in the wild and no public exploit code.
Sources
Also known as GHSA-xm8p-wgjh-pfxf.