The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings, allowing high privilege users such as admin to se Cross-Site Scripting payload in them (even when the unfiltered_html capability is disallowed), which will be triggered in the frontend
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Maintenance Plugin | — | Update maintenance plugin to version 4.03, or a newer patched version | May 15, 2025 | Jul 21, 2021 |
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub