vulnerability
WordPress Plugin: maintenance: CVE-2021-24533: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:N/AC:M/Au:S/C:N/I:P/A:N) | Jul 21, 2021 | May 15, 2025 | Apr 30, 2026 |
Severity
3
CVSS
(AV:N/AC:M/Au:S/C:N/I:P/A:N)
Published
Jul 21, 2021
Added
May 15, 2025
Modified
Apr 30, 2026
Description
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
Solution
maintenance-plugin-cve-2021-24533
References
Rapid7 Labs
2026 Global Threat Landscape Report
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