CVE-2025-12033 — Simple Banner – Easily add multiple Banners/Bars/Notifications/Announcements to the top or bottom of your website [simple-banner] < 3.1.0

CVE	Vulnerability	Type	Severity	Affected	Fixed in	Published	Status
CVE-2025-12033	Simple Banner – Easily add multiple Banners/Bars/Notifications/Announcements to the top or bottom of your website [simple-banner] < 3.1.0	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	Medium 4.4	< 3.1.0	3.1.0	2025-10-21	—

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.

Source: CVE.org

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