Stored Cross-Site Scripting Vulnerability in Blocksy Companion Plugin for WordPress

CVE-2024-4487

What is CVE-2024-4487?

The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG uploads in versions up to, and including, 2.0.45 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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