Critical Flaw in User Registration Membership Plugin (CVE-2026-1492) Lets Attackers Bypass WordPress Authentication
A newly disclosed vulnerability in a popular WordPress plugin can allow attackers to log in as administrators without a username or password. Tracked as CVE-2026-1492 and carrying a CVSS v4.0 score of 9.8, the flaw affects all versions of the User Registration Membership plugin up through 5.1.2. The issue was documented in early March 2026 by CYFIRMA researchers and represents an urgent risk for site owners who rely on the…