Lightbox Gallery < 0.9.5 - Contributor+ Stored XSS via Shortcode

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

[gallery ids='88' class='" onmouseover="alert(/XSS/)"']

Note: ids is an image attachment id.