Stored Cross-Site Scripting Vulnerability in Ultimate Blocks Plugin for WordPress

CVE-2025-2918

What is CVE-2025-2918?

The Ultimate Blocks Plugin for WordPress contains a stored cross-site scripting vulnerability that affects versions up to and including 3.3.3. This flaw arises due to inadequate input sanitization and output escaping related to multiple widgets. As a result, authenticated attackers with Contributor-level access and higher can exploit this vulnerability to inject malicious web scripts into pages. These scripts will execute when a user accesses the affected page, potentially compromising user data and site integrity.

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