CVE-2021-4455 Wordpress Plugin Smart Product Review <= 1.0.4 - Unauthenticated Arbitrary File Upload
Unauthenticated attackers can upload arbitrary files to the server, potentially leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-4455?
CVE-2021-4455 is a critical vulnerability in Codeflist Wordpress Plugin Smart Product Review, published on 19 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Wordpress Plugin Smart Product Review plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in all versions up to, and including, 1.0.4. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
Weakness: CWE-434
Which versions are affected by CVE-2021-4455?
How do I fix CVE-2021-4455?
No fix has been published for CVE-2021-4455 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-4455 being exploited?
There is no known exploitation of CVE-2021-4455 in the wild and no public exploit code.
Sources
Also known as GHSA-f33h-gm37-5r83.