The Masy Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'justified-gallery' shortcode in all versions up to, and including, 1.7 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.
Conclusion & alert: CVE-2024-13586 is rated Moderate Risk (41.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.22%).Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Exploit prediction scoring system (EPSS) score for CVE-2024-13586
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).