The All-in-one Floating Contact Form WordPress plugin before 2.1.2 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)
The My Sticky Elements WordPress plugin before 2.0.9 does not properly sanitise and escape a parameter before using it in a SQL statement when deleting messages, leading to a SQL injection exploitable by high privilege users such as admin