XSS in Bridgetech Vbc Server
CVE-2025-63211
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (16.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Bridgetech Vbc Server — versions 6.5.0-9, 6.5.0-10
Weakness classification (CWE)
References
- bridgetech.tv/ (Product)
- github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-63211_bridg… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-63211?
- CVE-2025-63211 is a medium-severity vulnerability in Bridgetech Vbc Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-11-19.
- How severe is CVE-2025-63211?
- Medium severity. CVSS v3 base score is 6.1 out of 10.