SQL Injection Vulnerability in Doctor Appointment System by Code-Projects
CVE-2026-85403

6.9MEDIUM

Key Information:

Vendor

Code-projects

Status
Doctor Appointment System
Vendor
CVE Published:
4 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-85403?

A code vulnerability exists in the Doctor Appointment System version 1.0, specifically in the processing of the /contactus.php file. This vulnerability allows for SQL injection via manipulation of the firstname argument. An attacker can exploit this issue remotely, potentially leading to unauthorized access to sensitive data in the database. The exploit has been publicly disclosed, highlighting the urgency for users to address this security flaw.

Affected Version(s)

Doctor Appointment System 1.0

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-2026-85403 - Proof of Concept

References

https://vuldb.com/vuln/398546
vdb-entrytechnical-description
https://vuldb.com/vuln/398546/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-85403
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

liuchang310 (VulDB User)
.