Data Authenticity Issue in BEN Group TubeBuddy for YouTube Extension on Chrome
CVE-2026-82813

5.3MEDIUM

Key Information:

Vendor

Ben Group

Status
Tubebuddy For Youtube Extension
Vendor
CVE Published:
31 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-82813?

A significant vulnerability has been identified in the TubeBuddy for YouTube Extension by BEN Group, affecting versions up to 5.8.4 on Chrome browsers. The flaw resides in the TBGlobal.GetToken function within the tubebuddymaster1.js file, which fails to adequately verify the authenticity of data transmitted through the argument manipulation (t/c/r). This weakness enables attackers to execute remote attacks, potentially compromising user data. Awareness of this vulnerability is crucial, as exploit methods have been made public, intensifying the need for prompt remediation.

Affected Version(s)

TubeBuddy for YouTube Extension 5.8.0

TubeBuddy for YouTube Extension 5.8.1

TubeBuddy for YouTube Extension 5.8.2

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-2026-82813 - Proof of Concept

References

https://vuldb.com/vuln/397231
vdb-entrytechnical-description
https://vuldb.com/vuln/397231/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82813
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
Low
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

DRXYJ (VulDB User)
VulDB CNA Team
.