CVE-2025-12033

The Simple Banner – Easily add multiple Banners/Bars/Notifications/Announcements to the top or bottom of your website plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'pro_version_activation_code' parameter in all versions up to, and including, 3.0.10 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

The following products are affected by CVE-2025-12033 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-12033.

URL	Resource
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3363618%40simple-banner&new=3363618%40simple-banner&sfp_email=&sfph_mail=
https://www.wordfence.com/threat-intel/vulnerabilities/id/9b620481-8f45-4616-9b22-2dd14733325c?source=cve