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Date: October 21, 2021
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.
Related Resources (5)
Weakness Type (CWE)
Cross-Site Scripting (XSS)CWE-79
Upgrade to version 4.16.6/
|Attack Vector (AV):||NETWORK|
|Attack Complexity (AC):||LOW|
|Privileges Required (PR):||HIGH|
|User Interaction (UI):||REQUIRED|
|Access Vector (AV):||NETWORK|
|Access Complexity (AC):||MEDIUM|