CVE-2025-66108

WordPress TNC Toolbox: Web Performance plugin <= 2.0.4 - Broken Access Control vulnerability

4.3 Medium

Missing Authorization vulnerability in Merlot Digital (by TNC) TNC Toolbox: Web Performance tnc-toolbox allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects TNC Toolbox: Web Performance: from n/a through <= 2.0.4.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.21%Up 0.2 points since Nov 22, 2025

What each source reports

CVE List Score used 4.3

WordPress TNC Toolbox: Web Performance plugin <= 2.0.4 - Broken Access Control vulnerability

Record: CVE-2025-66108
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2025-198446 4.3

Record: EUVD-2025-198446
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-7ppm-7xh4-78w9 4.3

Missing Authorization vulnerability in Merlot Digital (by TNC) TNC Toolbox: Web Performance tnc...

Record: GHSA-7ppm-7xh4-78w9
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-862
Updated: 2026-11-02

NVD 4.3

Record: CVE-2025-66108
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

Affected products

merlot digital (by tnc) tnc toolbox: web performance

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-66108 is a medium vulnerability (CVSS 4.3) in Merlot Digital (by Tnc) Tnc Toolbox: Web Performance, published November 21, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 10th percentile. No source names a fixed version.