Provide references for CVE-2019-11886.
Where can I find more information about CVE-2019-11886?
References are available at: https://wpvulndb.com/vulnerabilities/9256, https://wordpress.org/plugins/yellow-pencil-visual-theme-customizer/#developers, https://www.wordfence.com/blog/2019/04/zero-day-vulnerability-in-yellow-pencil-visual-theme-customizer-exploited-in-the-wild/, https://www.pluginvulnerabilities.com/2019/04/09/recently-closed-visual-css-style-editor-wordpress-plugin-contains-privilege-escalation-vulnerability-that-leads-to-option-update-vulnerability/.