CVE-2025-68935 Cross-site scripting in Document Server
An attacker can inject malicious scripts via the Font field in Multilevel list settings, potentially executing code or hijacking user sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-68935?
CVE-2025-68935 is a medium-severity cross-site scripting vulnerability in ONLYOFFICE Document Server, published on 25 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ONLYOFFICE Docs before 9.2.1 allows XSS via the Font field for the Multilevel list settings window. This is related to DocumentServer.
Weakness: CWE-79
Which versions are affected by CVE-2025-68935?
It affects 1 product.
Products include Onlyoffice Document Server.
How do I fix CVE-2025-68935?
No fix has been published for CVE-2025-68935 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-2025-68935 being exploited?
There is no known exploitation of CVE-2025-68935 in the wild and no public exploit code.
Other vulnerabilities in ONLYOFFICE Document Server
Sources
Also known as GHSA-wxxw-j7jh-6gvh.