WordPress audio playlist functionality is affected by Cross-Site Scripting

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WordPress audio playlist functionality is affected by Cross-Site
Scripting
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Yorick Koster, July 2016

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Abstract
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Two Cross-Site Scripting vulnerabilities exists in the playlist
functionality of WordPress. These issues can be exploited by convincing
an Editor or Administrator into uploading a malicious MP3 file. Once
uploaded the issues can be triggered by a Contributor or higher using
the playlist shortcode.

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OVE ID
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OVE-20160717-0003

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Tested versions
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This issue was successfully tested on the WordPress version 4.5.3.

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Fix
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These issues are resolved in WordPress version 4.7.3.

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Details
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https://sumofpwn.nl/advisory/2016/wordpress_audio_playlist_functionality_is_affected_by_cross_site_scripting.html

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Summer of Pwnage (https://sumofpwn.nl) is a Dutch community project. Its
goal is to contribute to the security of popular, widely used OSS
projects in a fun and educational way.