CVE-2024-13670

Summary

CVE-2024-13670 is a Stored Cross-Site Scripting (XSS) vulnerability affecting the Music Sheet Viewer plugin for WordPress. This issue exists due to insufficient input sanitization and output escaping on user-supplied attributes within the plugin's 'pn_msv' shortcode. Authenticated attackers with contributor-level access or higher can exploit this vulnerability by injecting arbitrary web scripts. These scripts will execute whenever a user accesses an injected page, posing a significant security risk. All versions of the plugin up to, and including, 4.1 are affected. Users are advised to update to the latest version of the plugin or remove it from their WordPress installations to mitigate this risk.

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