CVE-2021-24289
There is functionality in the Store Locator Plus for WordPress plugin through 5.5.14 that made it possible for authenticated users to update their user meta data to become an administrator on any site using the plugin.
Date published : 2021-05-17
https://wpscan.com/vulnerability/078e93cd-7cf2-4e23-8171-58d44e354d62
Severe Unpatched Vulnerabilities Leads to Closure of Store Locator Plus Plugin