CVE-2025-12354

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

05/12/2025

Last modified:

15/04/2026

Description

The Live CSS Preview plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the &#39;wp_ajax_frontend_save&#39; 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&#39;s css setting.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): None

Base Score 3.x

4.30

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3445161%40live-css-preview&new=3445161%40live-css-preview&sfp_email=&sfph_mail=
https://wordpress.org/plugins/live-css-preview/
https://www.wordfence.com/threat-intel/vulnerabilities/id/3ebaadf6-5085-4f2d-a377-34e318351449?source=cve