The ZoomSounds - WordPress Wave Audio Player with Playlist plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 6.91 via deserialization of untrusted input from the 'margs' parameter. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present.

Deserialization of Untrusted Data vulnerability in ZoomIt ZoomSounds dzs-zoomsounds allows Object Injection.This issue affects ZoomSounds: from n/a through <= 6.91.

The ZoomSounds - WordPress Wave Audio Player with Playlist plugin for WordPress is vulnerable to unauthorized modification of data that can lead to a denial of service due to a missing capability check on the 'dzsapdeletenotice' AJAX action in all versions up to, and including, 6.91. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update option values to 'seen' on the WordPress site. This can be leveraged to update an option that would create an error on the site and deny service to legitimate users or be used to set some values to true such as registration. There are several other functions also vulnerable to missing authorization.

The ZoomSounds - WordPress Wave Audio Player with Playlist plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to, and including, 6.91 via the 'dzsapdownload' action. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information.

The ZoomSounds plugin for WordPress is vulnerable to Stored Cross-Site Scripting via shortcodes in versions up to, and including, 6.91 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.