CVE-2025-54859 Cross-site scripting in desknet's NEO
Stored XSS in desknet's NEO allows attackers to execute arbitrary JavaScript in user browsers, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-54859?
CVE-2025-54859 is a medium-severity cross-site scripting vulnerability in NEOJAPAN Inc. desknet's NEO, published on 16 Oct 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Stored cross-site scripting (XSS) vulnerability in desknet's NEO V9.0R2.0 and earlier allow execution of arbitrary JavaScript in a user’s web browser.
Weakness: CWE-79
Which versions are affected by CVE-2025-54859?
How do I fix CVE-2025-54859?
No fix has been published for CVE-2025-54859 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-2025-54859 being exploited?
There is no known exploitation of CVE-2025-54859 in the wild and no public exploit code.
Sources
Also known as GHSA-g464-p4g4-67qg.