Description
WordPress Plugin Form Lightbox is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently create an account that has full access to the admin area of WordPress. WordPress Plugin Form Lightbox version 2.1 is vulnerable; prior versions may also be affected.
Remediation
Disable the plugin until a fix is available
References
Related Vulnerabilities
PHP Improper Input Validation Vulnerability (CVE-2015-5589)
MediaWiki Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2013-6455)
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WordPress Plugin Featurific For WordPress 'snum' Parameter Cross-Site Scripting (1.6.2)
WordPress Plugin Happy Addons for Elementor Cross-Site Scripting (2.23.0)