CVE-2026-100107: Kubio AI Page Builder <= 2.9.2 - Unauthenticated Stored Cross-Site Scripting via SVG Comment Content (KSES Allowlist Bypass)
The Kubio AI Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 2.9.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected Software
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker does not need authentication or user interaction to inject the stored script. Exploitation requires the attacker to submit a malicious payload through the plugin's comment parameter.
What happens after a successful injection?
The injected script is stored in a page and executes when a user accesses that affected page. The issue can impact the confidentiality and integrity of the visiting user's browser session or page content.
Which installations are affected?
Kubio AI Page Builder versions up to and including 2.9.2 are affected. The provided information does not identify a fixed version or any configuration prerequisite.