CVE-2020-37077: Twinkle Toes Software Booked Scheduler

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Booked Scheduler 2.7.7 contains a directory traversal vulnerability in the manage_email_templates.php script that allows authenticated administrators to access unauthorized files. Attackers can exploit the vulnerable 'tn' parameter to read files outside the intended directory by manipulating directory path traversal techniques.

Affected products

• Twinkle Toes Software Booked Scheduler: version 2.7.7 only

Published 2026-02-03. Last modified 2026-06-17.