CVE-2021-4407 Custom Banners <= 3.2.2 - Cross-Site Request Forgery Bypass
Unauthenticated attackers can trick administrators into saving custom fields via forged requests, allowing unauthorized data modification in the Custom Banners plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-4407?
CVE-2021-4407 is a medium-severity vulnerability in ghuger Custom Banners, published on 12 Jul 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Custom Banners plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.2.2 This is due to missing or incorrect nonce validation on the saveCustomFields() function. This makes it possible for unauthenticated attackers to save custom fields via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Weakness: CWE-352
Which versions are affected by CVE-2021-4407?
It affects 1 product.
Products include Goldplugins Custom Banners.
How do I fix CVE-2021-4407?
No fix has been published for CVE-2021-4407 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-4407 being exploited?
There is no known exploitation of CVE-2021-4407 in the wild and no public exploit code.
Other vulnerabilities in ghuger Custom Banners
Sources
Also known as GHSA-xqgm-mm4x-rx9j.