CVE-2026-92798

The User Registration & Membership plugin for WordPress is vulnerable to Arbitrary Shortcode Execution in versions up to, and including, 5.2.8 This is due to insufficient input sanitization in the 'referrerurl' branch of URSmartTags::process, where the attacker-controlled HTTPREFERER header is on...

CVE-2026-92798

The User Registration & Membership plugin for WordPress is vulnerable to Arbitrary Shortcode Execution in versions up to and including 5.2.8 . The root cause is insufficient input sanitization within the UR_Smart_Tags::process() function. Specifically, the referrer_url branch only applies sanitiz...

CVE-2026-92798 User Registration & Membership <= 5.2.8 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via Referer Header via 'referrer_url' Smart Tag

The User Registration & Membership plugin for WordPress is vulnerable to Arbitrary Shortcode Execution in versions up to, and including, 5.2.8 This is due to insufficient input sanitization in the 'referrerurl' branch of URSmartTags::process, where the attacker-controlled HTTPREFERER header is on...

EUVD-2026-103233

The User Registration & Membership plugin for WordPress is vulnerable to Arbitrary Shortcode Execution in versions up to, and including, 5.2.8 This is due to insufficient input sanitization in the 'referrerurl' branch of URSmartTags::process, where the attacker-controlled HTTPREFERER header is on...