Stored cross-site scripting vulnerability in bridgetech VBC Server & Element Manager, firmware versions 6.5.0-9 thru 6.5.0-10, allows attac…

published 2025-11-19 11mo ago modified 2026-11-05 4d ago also EUVD-2025-198177

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits: 0; none known

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.

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CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 11mo ago (2025-11-21)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-63211_bridgetech%20VBC%20Server%20and%20Element%20Manager%20Stored%20%20xss referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-63211_bridgetech%20VBC%20Server%20and%20Element%20Ma
exploit, third-party-advisory
bridgetech.tv /
product

Sources

CVE List CVE-2025-63211
NVD CVE-2025-63211

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.