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Threat Entry
Updated 2024-11-21
CVE-2021-39357 - Leaky Paywall Plugin
The Leaky Paywall WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via the ~/class.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 4.16.5. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.
PLUGIN
Leaky Paywall
CVE-2021-39357
Risk Score