CVE-2024-13670
WordPress vulnerability analysis and mitigation

Overview

The Music Sheet Viewer plugin for WordPress (CVE-2024-13670) contains a Stored Cross-Site Scripting vulnerability that affects all versions up to and including 4.1. The vulnerability was discovered by Peter Thaleikis and was publicly disclosed on January 30, 2025 (Wordfence, NVD).

Technical details

The vulnerability exists in the plugin's 'pn_msv' shortcode due to insufficient input sanitization and output escaping on user-supplied attributes. The severity is rated as MEDIUM with a CVSS v3.1 base score of 5.4 (NIST) and 6.4 (Wordfence). The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation (NVD).

Impact

When exploited, this vulnerability allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts into pages. These malicious scripts will execute whenever a user accesses the compromised page, potentially leading to data theft, session hijacking, or other malicious actions (NVD).

Mitigation and workarounds

A patch has been made available through the WordPress plugin repository to address this vulnerability (WordPress Plugin).

Additional resources


SourceThis report was generated using AI

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