CVE-2025-10117 SourceCodester Simple To-Do List System Add New Task fetch_tasks.php cross site scripting

Medium 5.1 Published Updated

Remote attackers can inject malicious scripts via the Add New Task feature, potentially executing code in victim browsers.

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-2025-10117?

CVE-2025-10117 is a medium-severity cross-site scripting vulnerability in SourceCodester Simple To-Do List System, published on 9 Sep 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 weakness has been identified in SourceCodester Simple To-Do List System 1.0. Impacted is an unknown function of the file /fetch_tasks.php of the component Add New Task. Executing manipulation with the input <script>alert('XSS')</script> can lead to cross site scripting. The attack can be executed remotely. The exploit has been made available to the public and could be exploited.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2025-10117?

It affects 1 product.

Products include Chuck24 Simple To-Do List System.

How do I fix CVE-2025-10117?

No fix has been published for CVE-2025-10117 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-2025-10117 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-10117 exists.

Sources

Also known as GHSA-p8c3-q969-4fvc.

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