CVE-2025-63211 Cross-site scripting in n/a
Stored XSS in VBC Server allows attackers to execute arbitrary code via the addName parameter, impacting network device security.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-63211?
CVE-2025-63211 is a medium-severity cross-site scripting vulnerability in n/a, published on 19 Nov 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Stored cross-site scripting vulnerability in bridgetech VBC Server & Element Manager, firmware versions 6.5.0-9 thru 6.5.0-10, allows attackers to execute arbitrary code via the addName parameter to the /vbc/core/userSetupDoc/userSetupDoc endpoint.
Weakness: CWE-79
Which versions are affected by CVE-2025-63211?
It affects 1 product.
Products include Bridgetech Vbc Server.
How do I fix CVE-2025-63211?
No fix has been published for CVE-2025-63211 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-2025-63211 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-63211 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-5356-vf3g-3c6h.