CVE-2025-67541 WordPress WP-ShowHide plugin <= 1.05 - Cross Site Scripting (XSS) vulnerability

Medium 6.5 Published Updated

Stored XSS in WP-ShowHide allows attackers to inject malicious scripts, potentially leading to session hijacking or site defacement.

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

What is CVE-2025-67541?

CVE-2025-67541 is a medium-severity cross-site scripting vulnerability in Lester Chan WP-ShowHide, published on 9 Dec 2025. Any signed-in user can exploit it over the network, 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 Lester Chan WP-ShowHide wp-showhide allows Stored XSS.This issue affects WP-ShowHide: from n/a through <= 1.05.

Weakness: CWE-79

Which versions are affected by CVE-2025-67541?

How do I fix CVE-2025-67541?

No fix has been published for CVE-2025-67541 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-2025-67541 being exploited?

There is no known exploitation of CVE-2025-67541 in the wild and no public exploit code.

Sources

Also known as GHSA-m4cg-3fm9-j6x9.

Is CVE-2025-67541 in your software?

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