Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Fumiki Takahashi Gianism gianism allows Stored XSS.This issue affects Gianism: from n/a through <= 6.0.0.
The Gianism WordPress plugin through 5.1.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)