Description

WordPress Plugin WP Maintenance Mode & Site Under Construction is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently install arbitrary plugins. WordPress Plugin WP Maintenance Mode & Site Under Construction version 1.8.1 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 1.8.2 or latest

References

https://ithemes.com/wordpress-vulnerability-report-april-2021-part-4/

https://plugins.trac.wordpress.org/changeset/2494593/

Related Vulnerabilities

MongoDb Reachable Assertion Vulnerability (CVE-2026-5170)

WordPress Plugin Photoracer Multiple Cross-Site Scripting and SQL Injection Vulnerabilities (1.0)

MySQL CVE-2016-8287 Vulnerability (CVE-2016-8287)

Apache HTTP Server Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') Vulnerability (CVE-2009-1955)

WordPress Plugin NextGEN Gallery-WordPress Gallery 'xml/media-rss.php' Cross-Site Scripting (1.5.1)

Severity

High

Classification

CWE-264 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Tags

Missing Update Authentication Bypass