CVE-2025-39408 Cross-site scripting in BruteGuard – Brute Force Login Protection

High 7.1 Published Updated

Reflected XSS in BruteGuard plugin allows attackers to inject scripts, potentially leading to session hijacking or malicious actions.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-39408?

CVE-2025-39408 is a high-severity cross-site scripting vulnerability in EverPress BruteGuard – Brute Force Login Protection, published on 24 Apr 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-79

Which versions are affected by CVE-2025-39408?

How do I fix CVE-2025-39408?

No fix has been published for CVE-2025-39408 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-39408 being exploited?

There is no known exploitation of CVE-2025-39408 in the wild and no public exploit code.

Sources

Also known as GHSA-j573-m2h6-qq2m.

Is CVE-2025-39408 in your software?

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