Provide references for CVE-2021-4428.
Where can I find more information about CVE-2021-4428?
References are available at: https://vuldb.com/?id.234247, https://vuldb.com/?ctiid.234247, https://github.com/what3words/wordpress-autosuggest-plugin/pull/20, https://github.com/what3words/wordpress-autosuggest-plugin/commit/dd59cbac5f86057d6a73b87007c08b8bfa0c32ac, https://github.com/what3words/wordpress-autosuggest-plugin/releases/tag/v4.0.1.