Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in bPlugins Html5 Audio Player allows Stored XSS.This issue affects Html5 Audio Player: from n/a through 2.2.23.
The Html5 Audio Player WordPress plugin before 2.1.12 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.