What’s Vulnerable › Vulnerabilities

CVE-2021-47933: WordPress MStore API 2.0.6 Arbitrary File Upload

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-10 · updated 2026-07-25
• Weakness: CWE-306

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.

Affected products

• MStore API: 2.0.6

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

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