CVE-2025-54806 Cross-site scripting in GROWI

Medium 5.1 Published 23 Oct 2025 Updated 23 Oct 2025

An attacker can execute arbitrary scripts in a logged-in user's browser via a crafted URL in the page alert function.

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-2025-54806?

CVE-2025-54806 is a medium-severity cross-site scripting vulnerability in GROWI, Inc. GROWI, published on 23 Oct 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

GROWI v4.2.7 and earlier contains a cross-site scripting vulnerability in the page alert function. If a user accesses a crafted URL while logged in to the affected product, an arbitrary script may be executed on the user's web browser.

Weakness: CWE-79

Which versions are affected by CVE-2025-54806?

It affects 1 product.

Products include Weseek Growi.

How do I fix CVE-2025-54806?

No fix has been published for CVE-2025-54806 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-2025-54806 being exploited?

There is no known exploitation of CVE-2025-54806 in the wild and no public exploit code.

Sources

Also known as GHSA-mhfg-pwjv-5jjq.