VDB-336659 · CVE-2025-66167 · GCVE-0-2025-66167

merkulove Lottier Plugin up to 1.1.1 on WordPress authorization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in merkulove Lottier Plugin up to 1.1.1 on WordPress. This issue affects some unknown processing. The manipulation leads to authorization. This vulnerability is traded as CVE-2025-66167. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in merkulove Lottier Plugin up to 1.1.1 on WordPress and classified as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. The impact remains unknown. The summary by CVE is:

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.

The weakness was shared by Phat Rio. It is possible to read the advisory at vdp.patchstack.com. The identification of this vulnerability is CVE-2025-66167 since 11/21/2025. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/16/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

WordPress Plugin

Vendor

merkulove

Name

Lottier Plugin

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/21/2025 CVE reserved
12/16/2025 +25 days Advisory disclosed
12/16/2025 +0 days VulDB entry created
12/16/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: vdp.patchstack.com
Researcher: Phat Rio
Status: Not defined

CVE: CVE-2025-66167 (🔒)
GCVE (CVE): GCVE-0-2025-66167
GCVE (VulDB): GCVE-100-336659

Entryinfo

Created: 12/16/2025 09:47
Changes: 12/16/2025 09:47 (54)
Complete: 🔍
Cache ID: 216::103