Stored Cross-Site Scripting Vulnerability in Simple Banner Plugin for WordPress
CVE-2024-13898

4.4MEDIUM

Key Information:

Vendor
WordPress
Status
Simple Banner – Easily Add Multiple Banners/bars/notifications/announcements To The Top Or Bottom Of Your Website
Vendor
CVE Published:
4 April 2025

Summary

The Simple Banner plugin for WordPress has a vulnerability that allows authenticated attackers with administrator-level permissions to exploit stored cross-site scripting through the admin settings. This issue arises from inadequate input sanitization and output escaping, exposing multi-site installations to risk, especially when unfiltered_html is disabled. By injecting arbitrary scripts, attackers can execute these scripts on pages viewed by users, compromising the overall security of the website.

Affected Version(s)

Simple Banner – Easily add multiple Banners/Bars/Notifications/Announcements to the top or bottom of your website * <= 3.0.4

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset?sfp_email=&s...

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nguyen Khanh Hao
.
CVE-2024-13898 : Stored Cross-Site Scripting Vulnerability in Simple Banner Plugin for WordPress | SecurityVulnerability.io