CVE-2025-12354 Live CSS Preview <= 2.1.4 - Missing Authorization to Authenticated (Subscriber+) Settings Update

Medium 4.3 Published Updated

Authenticated subscribers can modify plugin CSS settings due to missing capability checks in the Live CSS Preview WordPress plugin.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-12354?

CVE-2025-12354 is a medium-severity missing authorization vulnerability in dojodigital Live CSS Preview, published on 5 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Live CSS Preview plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'wp_ajax_frontend_save' AJAX endpoint in all versions up to, and including, 2.1.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update the plugin's css setting.

Weakness: CWE-862

Which versions are affected by CVE-2025-12354?

How do I fix CVE-2025-12354?

No fix has been published for CVE-2025-12354 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-12354 being exploited?

There is no known exploitation of CVE-2025-12354 in the wild and no public exploit code.

Sources

Also known as GHSA-c3mh-x7r7-p882.

Is CVE-2025-12354 in your software?

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