CVE-2025-14221 SourceCodester Online Banking System page cross site scripting

Medium 5.1 Published 8 Dec 2025 Updated 8 Dec 2025

Attackers can inject malicious scripts via First Name/Last Name fields in the user page, potentially leading to session hijacking or code execution.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-14221?

CVE-2025-14221 is a medium-severity cross-site scripting vulnerability in SourceCodester Online Banking System, published on 8 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A vulnerability was detected in SourceCodester Online Banking System 1.0. This impacts an unknown function of the file /?page=user. The manipulation of the argument First Name/Last Name results in cross site scripting. The attack can be launched remotely. The exploit is now public and may be used.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2025-14221?

It affects 1 product.

Products include Oretnom23 Banking System.

How do I fix CVE-2025-14221?

No fix has been published for CVE-2025-14221 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-14221 being exploited?

There is no known exploitation of CVE-2025-14221 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-mr7v-3qmp-fjc4.