Missing Authorization Vulnerability in girishsaraf Online-Appointment-Booking-System
CVE-2026-109525

6.9MEDIUM

Key Information:

Vendor

Girishsaraf

Status
Online-appointment-booking-system
Vendor
CVE Published:
13 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-109525?

A vulnerability exists in the girishsaraf Online-Appointment-Booking-System that allows unauthorized manipulation of booking status through the submit2 Handler. The affected file, changebookingstatus.php, fails to adequately restrict access to sensitive operations, enabling remote attackers to exploit the system by altering the arguments username[], timestamp[], and status[]. As this product follows a rolling release system, users are encouraged to seek further information directly from the vendor for updates or patches, as the response to reported issues has yet to be addressed.

Affected Version(s)

Online-Appointment-Booking-System f427b4757128ca253d33d0cc4e87bbb9c999a4d5

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-2026-109525 - Proof of Concept

References

https://vuldb.com/vuln/417189
vdb-entrytechnical-description
https://vuldb.com/vuln/417189/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-109525
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

huimouwaner (VulDB User)
VulDB CNA Team
.