The Image Protector WordPress plugin through 1.1 does not properly sanitize some of its settings, which could allow high-privilege users to perform Stored Cross-Site Scripting (XSS) attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
https://wpscan.com/vulnerability/2b59f640-5568-42bb-87b7-36eb448db5be