Unauthenticated SQL Injection in WordPress File Upload Plugin from WordPress
CVE-2026-66447

9.3CRITICAL

Key Information:

Vendor

WordPress
Status
WordPress File Upload
Vendor
CVE Published:
6 August 2026

What is CVE-2026-66447?

This vulnerability allows attackers to perform unauthenticated SQL injection attacks via the WordPress File Upload plugin, potentially exposing sensitive data and compromising the integrity of the website. Versions up to 5.1.7 are affected, making it critical for users to update to the latest version to safeguard against exploitation. Proper user validation and sanitization measures are necessary to mitigate this security risk.

Affected Version(s)

WordPress File Upload <= 5.1.7

References

https://patchstack.com/database/wordpress/plugin/wp-file-...
vdb-entry

CVSS V3.1

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

daroo | Patchstack Bug Bounty Program
.