Description
WordPress Plugin Passster Age Gate 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 Passster Age Gate version 4.0.6 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 4.0.7 or latest
References
https://github.com/Freemius/wordpress-sdk/commit/50a7ca3d921d59e1d2b39bb6ab3c6c7efde494b8
https://plugins.svn.wordpress.org/content-warning-v2/trunk/readme.txt
Related Vulnerabilities
WordPress Plugin 404 to 301-Redirect, Log and Notify 404 Errors Cross-Site Request Forgery (3.0.8)
IBM RTC Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2017-1251)
WordPress Plugin LearnPress-WordPress LMS Cross-Site Scripting (4.1.6.5)
WordPress 5.5.x Multiple Vulnerabilities (5.5 - 5.5.7)
Moodle URL Redirection to Untrusted Site ('Open Redirect') Vulnerability (CVE-2019-14830)