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Vulnerabilities and Security Researches

Leaky Paywall, CVE-2021-39357

CVE, Research URL

CVE-2021-39357

Application

Leaky Paywall

Published on
Oct 22, 2021
Research Description
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.
Affected versions
Min -, max 4.9.2.
Status
vulnerable