CVE-2023-49779 Cross-site scripting in GROWI

Medium 5.4 Published 26 Dec 2023 Updated 2 Aug 2024

An attacker can execute arbitrary scripts in users' browsers via stored XSS in GROWI, potentially compromising user sessions.

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-2023-49779?

CVE-2023-49779 is a medium-severity cross-site scripting vulnerability in WESEEK, Inc. GROWI, published on 26 Dec 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Stored cross-site scripting vulnerability exists in the anchor tag of GROWI versions prior to v6.0.0. If this vulnerability is exploited, an arbitrary script may be executed on the web browser of the user who accessed the site using the product.

Weakness: CWE-79

Which versions are affected by CVE-2023-49779?

It affects 1 product.

Products include Weseek Growi.

How do I fix CVE-2023-49779?

No fix has been published for CVE-2023-49779 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-2023-49779 being exploited?

There is no known exploitation of CVE-2023-49779 in the wild and no public exploit code.

Sources

Also known as GHSA-5w24-985v-p9c2.