CVE-2026-5543: Phpgurukul User Registration & Login And User Management System

Medium severity, CVSS 6.3. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability was identified in PHPGurukul User Registration & Login and User Management System 3.3. The affected element is an unknown function of the file /admin/yesterday-reg-users.php. The manipulation of the argument ID leads to sql injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

Affected products

• Phpgurukul User Registration & Login And User Management System: version 3.3 only

Published 2026-04-05. Last modified 2026-07-24.