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wpDiscuz Cross-Site Scripting Vulnerability in Custom CSS Field

Vulnerability

A cross-site scripting vulnerability has been identified in the wpDiscuz WordPress plugin, affecting versions prior to 7.6.47. The issue arises in the customCss field, where administrators can inject malicious scripts by escaping style tags. Exploitation allows the execution of arbitrary JavaScript in the browsers of users viewing the comments.

Impact

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

Added: Mar 13, 2026, 8:07 PM
Updated: Mar 13, 2026, 8:07 PM

Vulnerability Rating

Custom Algorithm
spread
3.4
impact
1.7
exploitability
4.7
remediation
7.7
relevance
4.2
threat
0.0
urgency
2.9
incentive
0.0

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