WordPress · Vayu Blocks – Website Builder For The Block Editor · CVE-2025-9378
**Name of the Vulnerable Software and Affected Versions**
Vayu Blocks – Website Builder for the Block Editor plugin for WordPress versions up to and including 1.3.9
**Description**
The Vayu Blocks – Website Builder for the Block Editor plugin for WordPress is susceptible to Stored Cross-Site Scripting via multiple attributes in the Lottie block due to insufficient input sanitization and output escaping. This allows authenticated attackers with Contributor-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the injected page.
**Recommendations**
Update Vayu Blocks – Website Builder for the Block Editor plugin for WordPress to a version later than 1.3.9.