Directory Traversal Vulnerability in Booked Scheduler by Booked Scheduler
CVE-2020-37077

6.9MEDIUM

Key Information:

Vendor

Twinkle Toes Software

Status
Booked Scheduler
Vendor
CVE Published:
3 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37077?

The version 2.7.7 of Booked Scheduler is susceptible to a directory traversal vulnerability in the manage_email_templates.php script. This flaw permits authenticated administrators to access files that they should not normally be able to read, exposing sensitive data. Attackers can exploit the vulnerability by manipulating the 'tn' parameter, allowing them to traverse outside the intended directory and retrieve arbitrary files from the server.

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Affected Version(s)

Booked Scheduler 2.7.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-37077 - Proof of Concept

References

https://www.exploit-db.com/exploits/48428
exploit
https://www.bookedscheduler.com
product
https://web.archive.org/web/20190612055926/https://source...
product

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Besim ALTINOK
JSON
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