CVE-2026-116047: Privoce Vocechat Query Parameter widget.html cross site scripting

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-25 · updated 2026-10-29
Weakness: CWE-79

Description

A vulnerability has been found in Privoce Vocechat up to 0.9.121. This issue affects some unknown processing of the file widget.html of the component Query Parameter Handler. Such manipulation of the argument welcome leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Privoce Vocechat: 0.9.121

References

https://github.com/H1ck1y/Vulnerabilities/blob/main/Vocechat_DomXss.md
https://vuldb.com/cve/CVE-2026-116047
https://vuldb.com/submit/994199
https://vuldb.com/vuln/426123
https://vuldb.com/vuln/426123/cti

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