CVE-2026-30563 Cross-site scripting in n/a

Medium 6.1 Published 30 Mar 2026 Updated 30 Mar 2026

Authenticated attackers can inject malicious scripts via the website parameter in the Sales and Inventory System, leading to stored XSS execution.

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

What is CVE-2026-30563?

CVE-2026-30563 is a medium-severity cross-site scripting vulnerability in n/a, published on 30 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A Stored Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0. The vulnerability is located in the update_details.php file. The application fails to sanitize the "website" parameter provided in a POST request. This allows authenticated attackers to inject arbitrary web script or HTML that is stored in the database and executed whenever the store details page is accessed.

Weakness: CWE-79

Which versions are affected by CVE-2026-30563?

It affects 1 product.

Products include Ahsanriaz26gmailcom Sales and Inventory System.

How do I fix CVE-2026-30563?

No fix has been published for CVE-2026-30563 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-2026-30563 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-30563 exists.

Sources

Also known as GHSA-9xmr-r5f9-5hvx.