CVE-2025-12033

medium

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.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/9b620481-8f45-4616-9b22-2dd14733325c?source=cve

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3363618%40simple-banner&new=3363618%40simple-banner&sfp_email=&sfph_mail=

Details

Source: Mitre, NVD

Published: 2025-10-22

Updated: 2025-10-22

Risk Information

CVSS v2

Base Score: 3.2

Vector: CVSS2#AV:N/AC:H/Au:M/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 4.4

Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00027