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The WP Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 10.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled. In addition, site administrators have the option to grant lower-level users with access to manage the plugin's settings which may extend this vulnerability to those users.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Booking Plugin | — | Update booking plugin to version 10.6.1, or a newer patched version | May 15, 2025 | Oct 3, 2024 |
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