The Flat Preloader WordPress plugin before 1.5.4 does not enforce nonce checks when saving its settings, as well as does not sanitise and escape them, which could allow attackers to a make logged in admin change them with a Cross-Site Scripting payload (triggered either in the frontend or backend depending on the payload)
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Flat Preloader Plugin | — | Update flat-preloader plugin to version 1.5.4, or a newer patched version | May 15, 2025 | Sep 28, 2021 |
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