Description
WordPress Plugin Search Everything is prone to an SQL injection vulnerability because it fails to sufficiently sanitize user-supplied data before using it in an SQL query. Exploiting this issue could allow an attacker to compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database. WordPress Plugin Search Everything version 8.1.6 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 8.1.7 or latest
References
https://wordpress.org/support/topic/encoding-issue-causing-php-error-and-sql-injection/
https://plugins.svn.wordpress.org/search-everything/trunk/readme.txt
Related Vulnerabilities
WordPress Plugin Flexible Custom Post Type Cross-Site Scripting (0.1.5)
Plone CMS Missing Authentication for Critical Function Vulnerability (CVE-2020-35190)
Drupal Other Vulnerability (CVE-2008-3661)
WordPress Plugin WP Edit Unspecified Vulnerability (3.0)
Oracle Application Server CVE-2008-7237 Vulnerability (CVE-2008-7237)