Cross Site Scripting Vulnerability in Privoce Vocechat Product
CVE-2026-116047

5.3MEDIUM

Key Information:

Vendor

Privoce

Status
Vocechat
Vendor
CVE Published:
25 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-116047?

A security flaw has been identified in Privoce's Vocechat (versions up to 0.9.121) related to its Query Parameter Handler. The vulnerability stems from improper handling of the 'welcome' parameter in the 'widget.html' file. This oversight allows attackers to execute malicious scripts in the user's browser session, potentially leading to unauthorized access or data theft. The exploit can be executed remotely, making it a serious concern for users. Despite early notification, the vendor has not responded to reports of this vulnerability, raising further alarm for affected users.

Affected Version(s)

Vocechat 0.9.121

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-116047 - Proof of Concept

References

https://vuldb.com/vuln/426123
vdb-entrytechnical-description
https://vuldb.com/vuln/426123/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-116047
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

dyihan (VulDB User)
VulDB CNA Team
.