The WordPress Button Plugin MaxButtons WordPress plugin before 9.8.1 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 unfilteredhtml capability is disallowed (for example in multisite setup).

The WordPress Button Plugin MaxButtons WordPress plugin before 9.8.1 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 unfilteredhtml capability is disallowed (for example in multisite setup).

The WordPress Button Plugin MaxButtons WordPress plugin before 9.7.8 does not sanitise and escape some parameters, which could allow users with a role as low as editor to perform Cross-Site Scripting attacks

A vulnerability was found in MaxButtons Plugin up to 1.26.0 on WordPress and classified as problematic. This issue affects the function maxbuttonsstrippx of the file includes/maxbuttons-button.php. The manipulation of the argument buttonid leads to cross site scripting. The attack may be initiated remotely. Upgrading to version 1.26.1 is able to address this issue. The patch is named e74564c9e3b7429808e317f4916bd1c26ef0b806. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-222323.