CVE-2025-48096 MEDIUM

CVE-2025-48096: WordPress Custom CSS plugin <= 1.4.0 - Broken Access Control vulnerability

Vendor Freshface
Product Custom CSS
Weakness CWE-862 · Missing authorization
Published October 22, 2025
Last update April 28, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

What the vulnerability does

01Description

Missing Authorization vulnerability in FRESHFACE Custom CSS custom-css-editor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Custom CSS: from n/a through <= 1.4.0.

Explanation of Vulnerability in Simple Terms

02Summary

Custom CSS versions 1.4.0 and earlier lack proper authorization checks, allowing unauthenticated attackers to modify site content and disrupt availability. The vulnerability requires no user interaction and can be exploited over the network. Site administrators should update to a version newer than 1.4.0 immediately.

What an attacker can do

03Attacker Capabilities

Modify site content and cause service disruption without authentication.

Potential impact on your site

04Site Impact

Attackers can alter CSS and potentially deface your site or make it unavailable.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

October 22, 2025 CVE published
April 28, 2026 Record updated