The WP Maintenance plugin for WordPress is vulnerable to IP Address Spoofing in all versions up to, and including, 6.1.9.2 due to insufficient IP address validation and use of user-supplied HTTP headers as a primary method for IP retrieval. This makes it possible for unauthenticated attackers to bypass maintenance mode.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Wp Maintenance Plugin | — | Update wp-maintenance plugin to version 6.1.9.3, or a newer patched version | May 15, 2025 | Jun 18, 2024 |
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