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.

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)

EPSS: 0.003 (18.6th percentile) — read the EPSS interpretation.

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.

Affected products

Bridgetech Vbc_server — versions 6.5.0-9, 6.5.0-10
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Product)
cve@mitre.org (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.