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WordPress Leaky Paywall Stored Cross-Site Scripting Vulnerability

Vulnerability

A stored cross-site scripting vulnerability has been identified in the WordPress Leaky Paywall plugin, affecting versions through 4.21.7. This issue arises from improper input sanitization during web page generation, allowing malicious actors to inject harmful scripts that are executed when users visit the site.

Impact

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

Remediation

Users of the Leaky Paywall WordPress plugin should update to version 4.21.8 or later to address this vulnerability.

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

Vulnerability Rating

Custom Algorithm
spread
1.0
impact
1.7
exploitability
5.2
remediation
7.7
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.