CVE-2025-14391 Simple Theme Changer <= 1.0 - Cross-Site Request Forgery to Arbitrary Theme Switcher Configuration Update

Medium 4.3 Published Updated

Attackers can trick administrators into changing theme settings via forged requests, requiring a patched plugin version.

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-2025-14391?

CVE-2025-14391 is a medium-severity vulnerability in darendev Simple Theme Changer, published on 12 Dec 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

The Simple Theme Changer plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.0. This is due to missing or incorrect nonce validation. This makes it possible for unauthenticated attackers to update the plugin's settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Weakness: CWE-352

Which versions are affected by CVE-2025-14391?

How do I fix CVE-2025-14391?

No fix has been published for CVE-2025-14391 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-14391 being exploited?

There is no known exploitation of CVE-2025-14391 in the wild and no public exploit code.

Sources

Also known as GHSA-4v5r-686x-5pph.

Is CVE-2025-14391 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free