Description
WordPress Plugin The Events Calendar Countdown Addon is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently download and extract a remote ZIP file on the blog, which can lead to remote code execution. WordPress Plugin The Events Calendar Countdown Addon version 1.3.1 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 1.4 or latest
References
https://blog.nintechnet.com/8-wordpress-plugins-fixed-high-severity-vulnerability/
https://plugins.svn.wordpress.org/countdown-for-the-events-calendar/trunk/readme.txt
Related Vulnerabilities
Oracle HTTP Server CVE-2021-35666 Vulnerability (CVE-2021-35666)
Moodle Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2016-2154)
Drupal Core 7.x Multiple Security Bypass Vulnerabilities (7.0 - 7.25)
Apache HTTP Server Other Vulnerability (CVE-2003-0987)
Magento Authorization Bypass Through User-Controlled Key Vulnerability (CVE-2019-7950)