CVE-2025-13167 Cross-site scripting in Synology Contacts
Authenticated attackers can exploit XSS in Synology Contacts to read or write specific non-sensitive files.
- 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-2025-13167?
CVE-2025-13167 is a medium-severity cross-site scripting vulnerability in Synology Contacts, published on 27 May 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
Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in contact functionality in Synology Contacts before 1.0.10-20659 allows remote authenticated users to read or write specific files containing non-sensitive information via unspecified vectors.
Weakness: CWE-79
Which versions are affected by CVE-2025-13167?
It affects 1 product.
Products include Synology Contacts.
How do I fix CVE-2025-13167?
No fix has been published for CVE-2025-13167 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-2025-13167 being exploited?
There is no known exploitation of CVE-2025-13167 in the wild and no public exploit code.
Sources
Also known as GHSA-32xh-xfmp-f6p6.