CVE-2017-9090: Allen Disk Project Allen Disk

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

reg.php in Allen Disk 1.6 doesn't check if isset($_SESSION['captcha']['code'])==1, which makes it possible to bypass the CAPTCHA via an empty $_POST['captcha'].

Affected products

• Allen Disk Project Allen Disk: version 1.6 only

Published 2017-05-19. Last modified 2026-06-17.