The underConstruction WordPress plugin before 1.21 does not sanitise or escape the "Display a custom page using your own HTML" setting before outputting it, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiletred_html capability is disallowed.
CVE-2022-1896 is a medium severity with CVSS 5.5 Stored Cross-Site Scripting issue affecting the Plugin underConstruction. It affects Versions before 1.21 and is fixed in 1.21.
CVE-2022-1896 is tracked for the Plugin underConstruction as medium severity with CVSS 5.5. The affected range is Versions before 1.21. Update underConstruction to 1.21 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
underconstruction
View on wordpress.org
|
| CVE | CVE-2022-1896 |
| Patched Versions |
1.21
|
| Affected Versions |
Versions before 1.21
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
underConstruction <= 1.19 - Cross-Site Request Forgery to Construction Mode Disabled
underConstruction < 1.09 - Cross-Site Request Forgery
underConstruction <= 1.18 - Reflected Cross-Site Scripting
underConstruction <= 1.21 - Authenticated (Administrator+) Stored Cross-Site Scripting
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