CVE-2025-49866 HIGH

CVE-2025-49866: WordPress Beautiful Cookie Consent Banner plugin <= 4.6.1 - Cross Site Scripting (XSS) Vulnerability

Vendor Nikel
Product Beautiful Cookie Consent Banner
Weakness CWE-79 · XSS
Published July 4, 2025
Last update April 29, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Nikel Beautiful Cookie Consent Banner beautiful-and-responsive-cookie-consent allows Reflected XSS.This issue affects Beautiful Cookie Consent Banner: from n/a through <= 4.6.1.

Explanation of Vulnerability in Simple Terms

02Summary

Beautiful Cookie Consent Banner versions 4.6.1 and earlier contain a cross-site scripting (XSS) vulnerability. An attacker can inject malicious scripts that execute in users' browsers when they interact with the banner. The vulnerability requires user interaction and can affect multiple users across the site. Update to a version newer than 4.6.1 to remediate.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in visitors' browsers when they interact with the cookie banner.

Potential impact on your site

04Site Impact

Visitors' sessions, credentials, or personal data could be compromised if they click a malicious banner link.

Conditions required to exploit

05Prerequisites

Visitor must interact with the affected banner; attacker needs network access to inject the payload.

Key dates

06Disclosure timeline

July 4, 2025 CVE published
April 29, 2026 Record updated