CVE-2025-39408 HIGH

CVE-2025-39408: WordPress BruteGuard – Brute Force Login Protection plugin <= 0.1.4 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Everpress
Product BruteGuard – Brute Force Login Protection
Weakness CWE-79 · XSS
Published April 24, 2025
Last update April 28, 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 EverPress BruteGuard – Brute Force Login Protection bruteguard allows Reflected XSS.This issue affects BruteGuard – Brute Force Login Protection: from n/a through <= 0.1.4.

Explanation of Vulnerability in Simple Terms

02Summary

BruteGuard versions 0.1.4 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the site. An attacker can craft a malicious link that, when clicked by a site visitor, executes JavaScript in their browser. This can lead to session hijacking, credential theft, or malware distribution. The vulnerability affects the plugin's handling of user input without proper sanitization.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in visitors' browsers to steal sessions, credentials, or redirect users.

Potential impact on your site

04Site Impact

Visitors to your site could have their sessions hijacked or credentials stolen if they click attacker-controlled links.

Conditions required to exploit

05Prerequisites

Attacker must trick a site visitor into clicking a malicious link (user interaction required). No authentication needed.

Key dates

06Disclosure timeline

April 24, 2025 CVE published
April 28, 2026 Record updated