CVE-2026-57691 WordPress Anti-Malware Security and Brute-Force Firewall plugin <= 4.23.89 - Cross Site Scripting (XSS) vulnerability

Medium 5.8 Published Updated

Attackers can execute arbitrary scripts in victim browsers via reflected XSS in the Anti-Malware Security and Brute-Force Firewall plugin.

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-2026-57691?

CVE-2026-57691 is a medium-severity cross-site scripting vulnerability in Eli Anti-Malware Security and Brute-Force Firewall, published on 13 Jul 2026. 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 Eli Anti-Malware Security and Brute-Force Firewall gotmls allows Reflected XSS.This issue affects Anti-Malware Security and Brute-Force Firewall: from n/a through <= 4.23.89.

Weakness: CWE-79

Which versions are affected by CVE-2026-57691?

How do I fix CVE-2026-57691?

No fix has been published for CVE-2026-57691 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-2026-57691 being exploited?

There is no known exploitation of CVE-2026-57691 in the wild and no public exploit code.

Sources

Also known as GHSA-w832-4h9j-8h6c.

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