Cross-site Scripting Vulnerability in Themeum Qubely – Advanced Gutenberg Blocks

CVE-2025-26767

What is CVE-2025-26767?

The Qubely – Advanced Gutenberg Blocks plugin for WordPress is susceptible to a Cross-site Scripting (XSS) vulnerability due to improper input neutralization during web page generation. This flaw allows attackers to inject malicious scripts that can be stored and executed in the context of an affected user’s session, potentially leading to data theft, unauthorized actions, and other security breaches. This issue impacts versions of the plugin from n/a through 1.8.12, highlighting the need for prompt updates to safeguard user data and maintain site integrity.

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