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

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-05 · updated 2026-10-18
Weakness: CWE-862

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.

Affected products

dojodigital Live CSS Preview: through 2.1.4

References

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

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