WordPress WP Brutal AI plugin versions prior to 2.06 suffer from a persistent cross site scripting vulnerability.
advisories | CVE-2023-2606
WordPress Plugin WP Brutal AI < 2.06 - Admin+ Stored XSS
The plugin does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
WP Brutal AI - Fixed in version 2.06
Proof of Concept:
Visit the following path:
1. Go to Settings » WP Brutal AI
2. Add new campaign
4. Add name payload: "><iframe src="<svg onload=alert(4);>">
3. Save the changes to trigger XSS.
OWASP top 10 A7: Cross-Site Scripting (XSS)