CVE-2026-5814: Phpgurukul Online Course Registration

High severity, CVSS 7.3. EPSS: 0.4% chance of exploitation in the next 30 days.

A security vulnerability has been detected in PHPGurukul Online Course Registration 3.1. This issue affects some unknown processing of the file /admin/check_availability.php. The manipulation of the argument regno leads to sql injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.

Affected products

• Phpgurukul Online Course Registration: version 3.1 only

Published 2026-04-09. Last modified 2026-07-24.