CMP – Coming Soon & Maintenance <= 4.1.7 - Maintenance Mode Bypass

5.3
Improper Access Control
CVE CVE-2023-2159
CVSS 5.3 (Medium)
Publicly Published April 18, 2023
Last Updated June 9, 2023
Researcher Marco Wotschka - Wordfence

Description

The CMP – Coming Soon & Maintenance plugin for WordPress is vulnerable to Maintenance Mode Bypass in versions up to, and including, 4.1.7. A correct cmp_bypass GET parameter in the URL (equal to the md5-hashed home_url in the default setting) allows users to visit a site placed in maintenance mode thus bypassing the plugin's provided feature.

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1 affected software package

Software Type Plugin
Software Slug cmp-coming-soon-maintenance (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.1.8, or a newer patched version
Affected Version
  • <= 4.1.7
Patched Version
  • 4.1.8

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