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The Events Manager - Calendar, Bookings, Tickets, and more! plugin for WordPress is vulnerable to Stored Cross-Site Scripting via event attribute values in all versions up to, and including, 7.3.3. This is due to insufficient input sanitization when storing attribute values (using only `wp_unslash()` without sanitization) and lack of output escaping when rendering the '#_ATT{key}' placeholder. This makes it possible for authenticated attackers, with Author-level access and above, or unauthenticated attackers when anonymous event submissions are enabled, to inject arbitrary web scripts that execute when any user views the affected event page.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Events Manager Plugin | — | Update events-manager plugin to version 7.3.4, or a newer patched version | Oct 30, 2026 | Sep 4, 2026 |
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