The Under Construction plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.96. This is due to missing or incorrect nonce validation on the dismiss_notice function called via the admin_action_ucp_dismiss_notice action. This makes it possible for unauthenticated attackers to dismiss plugin notifications via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Under Construction Page Plugin | — | Update under-construction-page plugin to version 3.97, or a newer patched version | May 15, 2025 | Feb 10, 2023 |
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