The WP Map Block WordPress plugin before 2.0.3 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
The WP Map Block WordPress plugin before 1.2.3 does not escape some attributes of the WP Map Block, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks