CVE-2021-47933 WordPress MStore API 2.0.6 Arbitrary File Upload
Unauthenticated attackers can upload malicious PHP files via the REST API to achieve remote code execution on the server.
- 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-2021-47933?
CVE-2021-47933 is a critical vulnerability in MStore API, published on 10 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
WordPress MStore API 2.0.6 contains an arbitrary file upload vulnerability that allows unauthenticated attackers to upload malicious files by sending POST requests to the REST API endpoint. Attackers can upload PHP files with arbitrary names to the config_file endpoint to achieve remote code execution on the server.
Weakness: CWE-306
Which versions are affected by CVE-2021-47933?
How do I fix CVE-2021-47933?
No fix has been published for CVE-2021-47933 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-47933 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47933 exists.
Sources
Also known as GHSA-5c3p-jrjh-vwpm.