CVE-2023-2113
The Autoptimize plugin for WordPress versions 3.1.6 and earlier contains a stored cross-site scripting vulnerability in the critical CSS rules functionality that results from inadequate sanitization of input and escaping of output. Attackers with administrator privileges can inject malicious scripts into pages, which then execute for any user viewing those pages. This vulnerability only impacts multisite WordPress installations or those where the unfiltered_html capability has been disabled.
Based on public CVE data (MITRE/NVD).