CVE-2025-63416 Cross-site scripting in n/a
Authenticated attackers can inject scripts into chat to escalate privileges and exfiltrate sensitive administrative data from the SelfBest platform.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-63416?
CVE-2025-63416 is a critical cross-site scripting vulnerability in n/a, published on 5 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
** exclusively-hosted-service ** A Stored Cross-Site Scripting (XSS) vulnerability in the chat functionality of the SelfBest platform 2023.3 allows authenticated low-privileged attackers to execute arbitrary JavaScript in the context of other users' sessions. This can be exploited to access administrative data and functions, leading to privilege escalation and full compromise of sensitive user data, as demonstrated by the ability to fetch and exfiltrate the contents of the /admin/users endpoint.
Weakness: CWE-79
Which versions are affected by CVE-2025-63416?
It affects 1 product.
Products include Selfbest Selfbest.
How do I fix CVE-2025-63416?
No fix has been published for CVE-2025-63416 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-2025-63416 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-63416 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-7gqw-xrp6-92rg.