CVE-2025-66167

WordPress Lottier plugin <= 1.1.1 - Broken Access Control vulnerability

5.4 Medium

Missing Authorization vulnerability in merkulove Lottier lottier-gutenberg allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Lottier: from n/a through <= 1.1.1.

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: Low
Integrity: Low
Availability: None

Exploit likelihood

0.20%Up 0.2 points since Dec 16, 2025

What each source reports

CVE List Score used 5.4

WordPress Lottier plugin <= 1.1.1 - Broken Access Control vulnerability

Record: CVE-2025-66167
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2025-203568 5.4

Record: EUVD-2025-203568
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-6ccm-r89r-8q3j 5.4

Missing Authorization vulnerability in merkulove Lottier lottier-gutenberg allows Exploiting...

Record: GHSA-6ccm-r89r-8q3j
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

NVD 5.4

Record: CVE-2025-66167
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

Affected products

merkulove lottier

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-2025-66167 is a medium vulnerability (CVSS 5.4) in Merkulove Lottier, published December 16, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.