CVE-2025-10466 Cross-site scripting in Safe Access
Authenticated administrators can exploit XSS in Synology Safe Access to read or write non-sensitive files and cause limited denial of service.
- 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-2025-10466?
CVE-2025-10466 is a medium-severity cross-site scripting vulnerability in Synology Safe Access, published on 27 May 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Safe Access in Synology Safe Access before 1.3.1-0329 allows remote authenticated users with administrator privileges to read or write specific files containing non-sensitive information or conduct limited denial-of-service in SRM.
Weakness: CWE-79
Which versions are affected by CVE-2025-10466?
It affects 1 product.
Products include Synology Safe Access.
How do I fix CVE-2025-10466?
No fix has been published for CVE-2025-10466 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-2025-10466 being exploited?
There is no known exploitation of CVE-2025-10466 in the wild and no public exploit code.
Sources
Also known as GHSA-q5vj-c9px-46jv.