What is CVE-2026-66447?

CVE-2026-66447 is a critical-severity vulnerability in Nickboss Wordpress File Upload, classified under SQL Injection. CVSS score: 9.3/10. Published 2026-08-06.

How severe is CVE-2026-66447?

Critical severity. CVSS v3 base score is 9.3 out of 10.

SQL Injection in Nickboss Wordpress File Upload

CVE-2026-66447

Unauthenticated SQL Injection in WordPress File Upload <= 5.1.7 versions.

Vulnerability class: SQL Injection

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L.

Affected products

Nickboss Wordpress File Upload — versions n/a

Weakness classification (CWE)

CWE-89 — SQL Injection

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-66447?: CVE-2026-66447 is a critical-severity vulnerability in Nickboss Wordpress File Upload, classified under SQL Injection. CVSS score: 9.3/10. Published 2026-08-06.
How severe is CVE-2026-66447?: Critical severity. CVSS v3 base score is 9.3 out of 10.