CVE-2024-13898 Simple Banner <= 3.0.4 - Authenticated (Administrator+) Stored Cross-Site Scripting
Administrators can inject arbitrary scripts via banner settings in multi-site or restricted HTML environments, leading to stored XSS.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-13898?
CVE-2024-13898 is a medium-severity cross-site scripting vulnerability in rpetersen29 Simple Banner – Easily add multiple Banners/Bars/Notifications/Announcements to the top or bottom of your website, published on 4 Apr 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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 admin settings in all versions up to, and including, 3.0.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, 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.
Weakness: CWE-79
Which versions are affected by CVE-2024-13898?
How do I fix CVE-2024-13898?
No fix has been published for CVE-2024-13898 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2024-13898 being exploited?
There is no known exploitation of CVE-2024-13898 in the wild and no public exploit code.
Sources
Also known as GHSA-v292-qccp-5g6f.