CVE-2025-48884 Galette is vulnerable to XSS through Document Type

Medium 5.3 Published 4 Nov 2025 Updated 4 Nov 2025

Attackers can inject malicious scripts via Document Type fields in Galette, potentially compromising user sessions and data.

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-2025-48884?

CVE-2025-48884 is a medium-severity cross-site scripting vulnerability in galette, published on 4 Nov 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

Galette is a membership management web application for non profit organizations. In versions 1.1.5.2 and below, Galette's Document Type is vulnerable to Cross-site Scripting. This issue is fixed in version 1.2.0.

Weakness: CWE-79, CWE-80

Which versions are affected by CVE-2025-48884?

It affects 1 product.

Products include Galette Galette.

How do I fix CVE-2025-48884?

No fix has been published for CVE-2025-48884 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-2025-48884 being exploited?

There is no known exploitation of CVE-2025-48884 in the wild and no public exploit code.

Sources

Also known as GHSA-3rc3-rc5x-vmr4, UBUNTU-CVE-2025-48884.