CVE-2025-59904 Stored Cross-Site Scripting vulnerability in Kubysoft
Attackers can inject persistent malicious scripts via the /kForms/app endpoint, potentially compromising user sessions and data in Kubysoft applications.
- 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-2025-59904?
CVE-2025-59904 is a medium-severity cross-site scripting vulnerability in Kubysoft, published on 16 Feb 2026. 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 (XSS) vulnerability in Kubysoft, which is triggered through multiple parameters in the '/kForms/app' endpoint. This issue allows malicious scripts to be injected and executed persistently in the context of users accessing the affected resource.
Weakness: CWE-79
Which versions are affected by CVE-2025-59904?
It affects 1 product.
Products include Kubysoft Kubysoft.
How do I fix CVE-2025-59904?
No fix has been published for CVE-2025-59904 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-2025-59904 being exploited?
There is no known exploitation of CVE-2025-59904 in the wild and no public exploit code.
Other vulnerabilities in Kubysoft
Sources
Also known as GHSA-qrxh-hqj2-g6xg.