Description
WordPress Plugin Popup Maker-Popup for opt-ins, lead gen, & more is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently perform a variety of the plugin's actions or even take over a website. WordPress Plugin Popup Maker-Popup for opt-ins, lead gen, & more version 1.7.29 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 1.7.30 or latest
References
https://github.com/Freemius/wordpress-sdk/commit/50a7ca3d921d59e1d2b39bb6ab3c6c7efde494b8
https://plugins.svn.wordpress.org/popup-maker/trunk/readme.txt
Related Vulnerabilities
Drupal Core 9.0.x Remote Code Execution (9.0.0 - 9.0.8)
WordPress Plugin WP-Forum Multiple SQL Injection Vulnerabilities (1.7.8)
Ruby on Rails Unrestricted Upload of File with Dangerous Type Vulnerability (CVE-2020-8162)
ownCloud Permissions, Privileges, and Access Controls Vulnerability (CVE-2014-2049)