Cross Site Scripting Vulnerability in SourceCodester Online Banking System
CVE-2025-14221

5.1MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Online Banking System
Vendor
CVE Published:
8 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-14221?

A significant cross site scripting (XSS) vulnerability has been identified in the SourceCodester Online Banking System version 1.0, particularly affecting the functionality found at the '/?page=user' endpoint. The manipulation of user-supplied arguments, specifically the fields for 'First Name' and 'Last Name', can lead to the execution of rogue scripts in the context of unsuspecting users' browsers. This flaw allows attackers to exploit the vulnerability remotely, potentially compromising sensitive user information. With public exploits now available, it is crucial for users and administrators to apply necessary security measures to mitigate exposure.

Affected Version(s)

Online Banking 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-2025-14221 - Proof of Concept

References

https://vuldb.com/?id.334663
vdb-entrytechnical-description
https://vuldb.com/?ctiid.334663
signaturepermissions-required
https://vuldb.com/?submit.701624
third-party-advisory

CVSS V4

Score:
5.1
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

fatmatrabelsi (VulDB User)
JSON
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CVE-2025-14221 : Cross Site Scripting Vulnerability in SourceCodester Online Banking System