CVE-2025-43834 MEDIUM

CVE-2025-43834: WordPress cookieBAR plugin <= 1.7.0 - Cross Site Scripting (XSS) vulnerability

Vendor Tox82
Product cookieBAR
Weakness CWE-79 · XSS
Published May 19, 2025
Last update May 12, 2026
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/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 tox82 cookieBAR cookiebar allows Stored XSS.This issue affects cookieBAR: from n/a through <= 1.7.0.

Explanation of Vulnerability in Simple Terms

02Summary

cookieBAR versions 1.7.0 and earlier contain a cross-site scripting (XSS) vulnerability that allows authenticated administrators to inject malicious scripts. The vulnerability requires user interaction—typically clicking a malicious link—and can affect other users on the site. An attacker with high-level privileges can craft payloads that execute in victims' browsers, potentially compromising user sessions or data.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that executes in other users' browsers when they interact with the site.

Potential impact on your site

04Site Impact

Administrators with malicious intent can compromise user accounts, steal session tokens, or deface site content.

Conditions required to exploit

05Prerequisites

Attacker must have administrator-level access and the victim must click a link or visit a page containing the payload.

Key dates

06Disclosure timeline

May 19, 2025 CVE published
May 12, 2026 Record updated