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

WordPress Plugin Contus HD FLV Player 'uploadVideo.php' Arbitrary File Upload (1.7)

WordPress Plugin Ultimate Member-User Profile, Registration, Login, Member Directory, Content Restriction & Membership Local File Inclusion (1.3.64)

WordPress Plugin OneLogin SAML SSO Security Bypass (2.2.0)

WordPress Plugin Location Weather Cross-Site Scripting (1.3.3)

WordPress Plugin Keyring Cross-Site Scripting (1.5)

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