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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Mpl Publisher Plugin | — | Update mpl-publisher plugin to version 1.30.3, or a newer patched version | May 15, 2025 | Oct 15, 2021 |
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