CVE-2025-55287 Genealogy has a stored XSS vulnerability

High 8.0 Published Updated

Authenticated attackers can inject malicious scripts to hijack sessions and steal data in the Genealogy family tree application.

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-2025-55287?

CVE-2025-55287 is a high-severity cross-site scripting vulnerability in MGeurts genealogy, published on 18 Aug 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Genealogy is a family tree PHP application. Prior to 4.4.0, Authenticated Stored Cross-Site Scripting (XSS) vulnerability was identified in the Genealogy application. Authenticated attackers could run arbitrary JavaScript in another user’s session, leading to session hijacking, data theft, and UI manipulation. This vulnerability is fixed in 4.4.0.

Weakness: CWE-79

Which versions are affected by CVE-2025-55287?

It affects 1 product.

Products include Kreaweb Genealogy.

How do I fix CVE-2025-55287?

No fix has been published for CVE-2025-55287 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-2025-55287 being exploited?

There is no known exploitation of CVE-2025-55287 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-j457-9m86-6q5r.

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