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Threat Entry
Updated 2025-04-25
CVE-2021-39343 - Mpl Publisher Plugin
The MPL-Publisher WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/libs/PublisherController.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 1.30.2. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.
PLUGIN
Mpl Publisher
CVE-2021-39343
Risk Score