Known vulnerabilities in WP Maintenance Mode & Site Under Construction

WP plugin for Under Construction, Maintenance Mode & Coming Soon Pages. Enable with one click & show a landing page to visitors easily.

4Reported vulnerabilities

8.8Highest CVSS score

4.4Latest version

3,000+Active installs

What to do now

Update WP Maintenance Mode & Site Under Construction to 4.4 or later. 4 of these have a fixed version available. Updating resolves them.

Plugin last updated: June 2, 2025 / Tested up to WordPress: 6.8.8 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2021-24191	High 8.8	1.3%	Before 1.8.2	`1.8.2`	May 14, 2021
WF-22713937-d834-46cf-83ec-6f9f61b548e3	High 8.8	—	1.5.2 and earlier	`1.6`	April 22, 2021
WF-b4d33e69-3620-42d9-adb3-267a5ed02a58	High 8.8	—	1.8.2 and earlier	`1.9`	April 22, 2021
CVE-2025-49284	Medium 4.3	0.2%	4.3 and earlier	`4.4`	June 5, 2025

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.