SQL Injection Vulnerability in Online Appointment Booking System by Girishsaraf
CVE-2026-109521

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-2026-109521?

A vulnerability has been identified in the Online-Appointment-Booking-System developed by Girishsaraf, specifically affecting the changebookingstatus.php file. The issue arises from improper handling of the parameter 'dateselected', allowing for SQL injection attacks. This vulnerability can be exploited remotely, which increases the risk for users and their sensitive data. The project has a rolling release model, making it difficult to pinpoint specific version details for those affected. Despite the vulnerability being reported, there has been no acknowledgment from the project maintainers.

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-2026-109521 - Proof of Concept

References

https://vuldb.com/vuln/417184
vdb-entrytechnical-description
https://vuldb.com/vuln/417184/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-109521
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

jiqinwang (VulDB User)
VulDB CNA Team
.