The CodeColorer WordPress plugin before 0.10.1 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)
https://wpscan.com/vulnerability/2d6ecd21-3dd4-423d-80e7-277c45080a9f