The wiseCampaign – WooCommerce Conversions Made Easy plugin for WordPress is vulnerable to unauthorized modification and disclosure of data due to every one of its REST API endpoints being registered with `permission_callback => '__return_true'` in all versions up to, and including, 1.1.16. This makes it possible for unauthenticated attackers to read and modify the plugin's banner, stockbar, and core settings — including saving/updating banner records, toggling stockbar/feature flags, changing the active banner, and uploading background-image files via wp_handle_upload() — without any nonce or capability check.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Wisecampaign Plugin | — | Update wisecampaign plugin to version 1.1.17, or a newer patched version | Aug 5, 2026 | Aug 4, 2026 |
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