CVE-2025-1666 MEDIUM

CVE-2025-1666: Cookie banner plugin for WordPress – Cookiebot CMP by Usercentrics <= 4.4.1 - Missing Authorization to Authenticated (Subscriber+) Survey Submission

Vendor Cookiebot
Product Cookiebot by Usercentrics – Automatic Cookie Banner for GDPR/CCPA & Google Consent Mode
Weakness CWE-862 · Missing authorization
Published March 6, 2025
Last update April 8, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

The Cookie banner plugin for WordPress – Cookiebot CMP by Usercentrics plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the send_uninstall_survey() function in all versions up to, and including, 4.4.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to submit the uninstall survey on behalf of a website.

Explanation of Vulnerability in Simple Terms

02Summary

Cookiebot by Usercentrics versions 4.4.1 and earlier lack proper authorization checks, allowing authenticated users to modify cookie consent settings they should not have access to. An attacker with a low-privilege account can alter consent configurations, potentially affecting GDPR/CCPA compliance and user privacy settings. The vulnerability requires valid site credentials but no additional user interaction.

What an attacker can do

03Attacker Capabilities

Modify cookie consent settings and configurations without proper authorization.

Potential impact on your site

04Site Impact

Unauthorized users can alter your cookie banner and consent settings, risking GDPR/CCPA compliance violations.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege authenticated account on the site.

Key dates

06Disclosure timeline

March 6, 2025 CVE published
April 8, 2026 Record updated

Related vulnerabilities

08Related CVE