CVE-2025-55288 Genealogy has a Reflected XSS Vulnerability
Authenticated attackers can execute arbitrary JavaScript in other users' sessions, leading to session hijacking and data theft in the Genealogy 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-2025-55288?
CVE-2025-55288 is a medium-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 Reflected 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-2025-55288?
It affects 1 product.
Products include Kreaweb Genealogy.
How do I fix CVE-2025-55288?
No fix has been published for CVE-2025-55288 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-2025-55288 being exploited?
There is no known exploitation of CVE-2025-55288 in the wild and no public exploit code.
Other vulnerabilities in MGeurts genealogy
Sources
Also known as GHSA-3h8x-g9xj-rhwg.