Vayu Blocks Stored Cross-Site Scripting Vulnerability in Lottie Block

A stored cross-site scripting vulnerability has been identified in the Vayu Blocks WordPress plugin, specifically in the Lottie block. This issue affects all versions through 1.3.9 and allows authenticated attackers with Contributor-level access or higher to inject arbitrary scripts. The vulnerability arises from inadequate input sanitization and output escaping, enabling injected scripts to execute when users access the affected pages.

Impact

Exploitation of this vulnerability allows for stored cross-site scripting, where injected scripts are executed in the context of the user viewing the page.

Remediation

Users are advised to update the Vayu Blocks plugin to version 1.3.10 or later.