CVE-2026-1865
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk23th percentile - higher than 23% of all known CVEs
Summary
The User Registration & Membership plugin for WordPress is vulnerable to SQL Injection via the 'membership_ids[]' parameter in all versions up to and including 5.1.2. Insufficient escaping and preparation on the SQL query allows authenticated attackers (Subscriber-level and above) to append additional SQL queries.
Risk Assessment
An attacker can extract sensitive data from the database, such as user passwords or personal information.
Recommendation
Update the plugin to a version above 5.1.2.
Original NVD description (English source)
The User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin for WordPress is vulnerable to SQL Injection via the ‘membership_ids[]’ parameter in all versions up to, and including, 5.1.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Subscriber-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.