WordPress Live CSS Plugin Cross-Site Scripting Vulnerability

Vulnerability

A stored cross-site scripting vulnerability has been identified in the WordPress Live CSS plugin, specifically in versions through 1.3. This issue arises from improper input sanitization during web page generation, allowing malicious scripts to be injected and executed when users visit the affected site.

Impact

Exploitation of this vulnerability allows for stored cross-site scripting, where injected scripts are executed in the context of the user visiting the site.

Remediation

Users of the WordPress Live CSS plugin are advised to update to version 1.3 or later, where this vulnerability has been addressed. For those unable to update immediately, a virtual patch is available through Patchstack to block attacks exploiting this vulnerability.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
1.7
exploitability
6.4
remediation
0.0
relevance
0.0
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.