CVE-2020-37077 MEDIUM

CVE-2020-37077: Booked Scheduler 2.7.7 - Authenticated Directory Traversal

Vendor Twinkle Toes Software
Product Booked Scheduler
Weakness CWE-22 · Path traversal
Published February 3, 2026
Last update February 4, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 3, 2026 CVE published
February 4, 2026 Record updated