CVE Catalog

CVE-2026-116047

MediumCVSS 4.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.26%

18th percentile - higher than 18% of all known CVEs

Summary

A cross-site scripting (XSS) vulnerability was found in Privoce Vocechat up to version 0.9.121, in the widget.html file's handling of the 'welcome' query parameter. Manipulation of this argument allows execution of malicious script. The attack can be launched remotely, and the exploit has been publicly disclosed.

Risk Assessment

This XSS vulnerability may allow an attacker to execute arbitrary JavaScript in the user's browser, potentially leading to session theft, account takeover, or content modification. Due to the public exploit, the risk is elevated.

Recommendation

Update Vocechat to a patched version as soon as possible (if available) or implement input filtering and encoding for the 'welcome' parameter. Until fixed, restrict access to widget.html.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS