The Charitable WordPress plugin before 1.8.5.3 does not sanitise and escape one of its campaign image text fields before outputting it in an HTML attribute, allowing users with a high-privilege campaign-management role to perform Stored Cross-Site Scripting attacks that execute on the front-end campaign page.
https://wpscan.com/vulnerability/19381d34-3942-4ba6-92a9-0290e1006da0/