CVE-2025-4379 Reflected XSS in DobryCMS

Medium 5.1 Published Updated

Reflected XSS in DobryCMS allows attackers to execute arbitrary JavaScript via the szukaj parameter, requiring a hotfix patch.

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-2025-4379?

CVE-2025-4379 is a medium-severity cross-site scripting vulnerability in Studio Fabryka DobryCMS, published on 23 May 2025. 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

DobryCMS in versions 2.* and lower is vulnerable to Reflected Cross-Site Scripting (XSS). Improper input validation in szukaj parameter allows arbitrary JavaScript to be executed on victim's browser when specially crafted URL is opened.

A hotfix for affected versions was released on 29.04.2025. It removes the vulnerability without incrementing the version.

Weakness: CWE-79

Which versions are affected by CVE-2025-4379?

How do I fix CVE-2025-4379?

No fix has been published for CVE-2025-4379 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-2025-4379 being exploited?

There is no known exploitation of CVE-2025-4379 in the wild and no public exploit code.

Sources

Also known as GHSA-6285-g4cj-gv36.

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