CVE-2025-48993 Group-Office vulnerable to reflected XSS via Look and Feel Formatting input

Medium 5.3 Published 17 Jun 2025 Updated 17 Jun 2025

Attackers can execute malicious JavaScript via unsanitized Look and Feel formatting fields in Group-Office, potentially compromising user sessions.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-48993?

CVE-2025-48993 is a medium-severity cross-site scripting vulnerability in Intermesh groupoffice, published on 17 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Group-Office is an enterprise customer relationship management and groupware tool. Prior to versions 6.8.123 and 25.0.27, a malicious JavaScript payload can be executed via the Look and Feel formatting fields. Any user can update their Look and Feel Formatting input fields, but the web application does not sanitize their input. This could result in a reflected cross-site scripting (XSS) attack. This issue has been patched in versions 6.8.123 and 25.0.27.

Weakness: CWE-79

Which versions are affected by CVE-2025-48993?

It affects 1 product.

Products include Intermesh Group-Office.

How do I fix CVE-2025-48993?

No fix has been published for CVE-2025-48993 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-2025-48993 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-48993 exists.

Sources

Also known as GHSA-xv2x-v374-92gv.