The Video Sidebar Widgets WordPress plugin through 6.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
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https://wpscan.com/vulnerability/61873267-9f4f-4be5-bad6-95229ad54b99 | third party advisory vdb entry exploit technical description |