CVE-2023-4963

Summary

CVE-2023-4963 is a Stored Cross-Site Scripting (XSS) vulnerability affecting the WS Facebook Like Box Widget plugin for WordPress. The issue lies in the plugin's insufficient input sanitization and output escaping for user-supplied attributes in the 'ws-facebook-likebox' shortcode. This flaw allows authenticated attackers with contributor-level or higher permissions to inject arbitrary web scripts. Upon accessing an injected page, these scripts will execute, potentially leading to unintended actions or data exposure for unsuspecting users.

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