CVE-2024-13987 Cross-site scripting in RADIUS Server
Authenticated administrators can exploit XSS in Synology RADIUS Server to read/write files and cause 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-2024-13987?
CVE-2024-13987 is a medium-severity cross-site scripting vulnerability in Synology RADIUS Server, published on 29 Aug 2025. 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 Synology RADIUS Server allows remote authenticated users with administrator privileges to read or write limited files in SRM and conduct limited denial-of-service via unspecified vectors.
Weakness: CWE-79
Which versions are affected by CVE-2024-13987?
How do I fix CVE-2024-13987?
No fix has been published for CVE-2024-13987 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-2024-13987 being exploited?
There is no known exploitation of CVE-2024-13987 in the wild and no public exploit code.
Sources
Also known as GHSA-99x8-9r3q-x8jw.