vulnerability
WordPress Plugin: simple-banner: CVE-2025-12033: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:M/C:P/I:P/A:N) | Oct 21, 2025 | Oct 22, 2025 | Oct 23, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:M/C:P/I:P/A:N)
Published
Oct 21, 2025
Added
Oct 22, 2025
Modified
Oct 23, 2025
Description
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.
Solution
simple-banner-plugin-cve-2025-12033
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