CVE-2021-4418 Custom CSS, JS & PHP <= 2.0.7 - Cross-Site Request Forgery Bypass
Unauthenticated attackers can trick administrators into saving malicious code snippets via CSRF, leading to potential code execution.
- 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-2021-4418?
CVE-2021-4418 is a medium-severity vulnerability in flippercode Custom css-js-php, published on 20 Oct 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 CSS, JS & PHP plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.0.7. This is due to missing or incorrect nonce validation on the save() function. This makes it possible for unauthenticated attackers to save code snippets 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-2021-4418?
It affects 1 product.
Products include Wpfactory Custom Css\, Js \& Php.
How do I fix CVE-2021-4418?
No fix has been published for CVE-2021-4418 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-4418 being exploited?
There is no known exploitation of CVE-2021-4418 in the wild and no public exploit code.
Sources
Also known as GHSA-j98c-6x58-jmvw.