Music Sheet Viewer <= 4.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
Advisory: The Music Sheet Viewer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin\’s \’pn_msv\’ shortcode in all versions up to, and including, 4.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Read more about this vulnerability: https://www.wordfence.com/threat-intel/vulnerabilities/id/8ec4eb8a-7b03-4392-9137-4f17622bfe54?source=api-prod
Please note: The EntreBase Trust and Safety team curates information from industry leading vulnerability databases with identified threats and vulnerabilities known as Threat Intelligence. Our database is continuously updated, maintained, and populated by our experienced vulnerability researchers through in-house and open-source vulnerability research, and by monitoring varying open-sources to capture all publicly available threat and vulnerability information and adding additional context where we can.
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