Description
A vulnerability was detected in BEN Group TubeBuddy for YouTube Extension up to 5.8.4 on Chrome. This impacts the function TBGlobal.GetToken of the file tubebuddymaster1.js. The manipulation of the argument t/c/r results in insufficient verification of data authenticity. It is possible to launch the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure.
Published: 2026-08-31
Score: 5.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

The vulnerability allows manipulation of the t, c, and r arguments used by TBGlobal.GetToken in tubebuddymaster1.js. The insufficient verification of data authenticity enables an attacker to overwrite authentication tokens, potentially masquerading as a legitimate user and gaining unauthorized access to features of the TubeBuddy extension or the associated YouTube account.

Affected Systems

Ben Group TubeBuddy for YouTube Extension users running version 5.8.4 or earlier on the Chrome browser are susceptible to this token overwrite issue.

Risk and Exploitability

The CVSS score of 5.3 indicates moderate risk. EPSS is not available, and the vulnerability is not listed in the CISA KEV catalog. Exploitation can occur remotely via an unauthenticated redirect URL handler, and public exploit code is available, allowing attackers to trigger the flaw and overwrite tokens without credentials.

Generated by OpenCVE AI on August 31, 2026 at 18:51 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Check for and install the latest TubeBuddy for YouTube Extension update (5.8.5 or newer) to remove the vulnerability.
  • If a patch is not immediately available, disable or uninstall the TubeBuddy extension to prevent exploitation.
  • Monitor your YouTube account and the extension for unexpected token changes or unauthorized activity, and revoke any suspicious tokens when detected.

Generated by OpenCVE AI on August 31, 2026 at 18:51 UTC.

Tracking

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Advisories

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History

Mon, 31 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Description A vulnerability was detected in BEN Group TubeBuddy for YouTube Extension up to 5.8.4 on Chrome. This impacts the function TBGlobal.GetToken of the file tubebuddymaster1.js. The manipulation of the argument t/c/r results in insufficient verification of data authenticity. It is possible to launch the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure.
Title BEN Group TubeBuddy for YouTube Extension tubebuddymaster1.js TBGlobal.GetToken data authenticity
First Time appeared Ben Group
Ben Group tubebuddy For Youtube Extension
Weaknesses CWE-345
CPEs cpe:2.3:a:ben_group:tubebuddy_for_youtube_extension:*:*:*:*:*:*:*:*
Vendors & Products Ben Group
Ben Group tubebuddy For Youtube Extension
References
Metrics cvssV2_0

{'score': 6.4, 'vector': 'AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 5.4, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Subscriptions

Ben Group Tubebuddy For Youtube Extension
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-08-31T17:15:08.307Z

Reserved: 2026-08-31T05:15:50.097Z

Link: CVE-2026-82813

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-31T18:17:24.110

Modified: 2026-08-31T18:17:24.110

Link: CVE-2026-82813

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-31T19:00:04Z

Weaknesses
  • CWE-345

    Insufficient Verification of Data Authenticity