Cross Site Scripting Vulnerability in SourceCodester Doctor Appointment System
CVE-2026-3302

5.3MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Doctor Appointment System
Vendor
CVE Published:
27 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3302?

A vulnerability has been detected in the SourceCodester Doctor Appointment System 1.0, particularly affecting the registration functionality found in the /register.php file of the Sign Up Page. This vulnerability allows an attacker to manipulate the Email argument, potentially leading to cross site scripting (XSS) attacks. The exploit is publicly available, enabling remote attackers to execute malicious scripts in the context of the user's browser, thereby compromising user data and security.

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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-2026-3302 - Proof of Concept

References

https://vuldb.com/?id.348053
vdb-entrytechnical-description
https://vuldb.com/?ctiid.348053
signaturepermissions-required
https://vuldb.com/?submit.762427
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

waimanlo (VulDB User)
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