CVE-2025-3970 baseweb JSite save cross site scripting
Remote attackers can inject malicious scripts via the Remarks argument in baseweb JSite, potentially compromising user sessions or executing code.
- 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-2025-3970?
CVE-2025-3970 is a medium-severity cross-site scripting vulnerability in baseweb JSite, published on 27 Apr 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
A vulnerability classified as problematic has been found in baseweb JSite up to 1.0. Affected is an unknown function of the file /sys/office/save. The manipulation of the argument Remarks leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-3970?
It affects 1 product.
Products include Jsite Jsite.
How do I fix CVE-2025-3970?
No fix has been published for CVE-2025-3970 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-2025-3970 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3970 exists.
Other vulnerabilities in baseweb JSite
Sources
Also known as GHSA-9pr5-p8mr-5x29.