CVE-2025-36563 Cross-site scripting in PowerCMS

Medium 5.3 Published 31 Jul 2025 Updated 31 Jul 2025

An attacker can execute arbitrary scripts in a PowerCMS administrator's browser via a crafted URL, potentially compromising the admin session.

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-2025-36563?

CVE-2025-36563 is a medium-severity cross-site scripting vulnerability in Alfasado Inc. PowerCMS, published on 31 Jul 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

Reflected cross-site scripting vulnerability exists in multiple versions of PowerCMS. If a product administrator accesses a crafted URL, an arbitrary script may be executed on the browser.

Weakness: CWE-79

Which versions are affected by CVE-2025-36563?

It affects 1 product.

Products include Alfasado Powercms.

How do I fix CVE-2025-36563?

No fix has been published for CVE-2025-36563 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-2025-36563 being exploited?

There is no known exploitation of CVE-2025-36563 in the wild and no public exploit code.

Sources

Also known as GHSA-hrw8-p8vq-hx3r.