CVE-2021-47933

critical · 9.3

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.

9.3

CVSS

0.6%

EPSS (exploit prob.)

47th

EPSS percentile

2026-05-10

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-306

References

https://wordpress.org/plugins/mstore-api/
https://www.exploit-db.com/exploits/50379
https://www.vulncheck.com/advisories/wordpress-mstore-api-arbitrary-file-upload

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2021-47933