Unauthenticated SQL Injection in Nikstore Core by Patchstack
CVE-2026-73388

9.3CRITICAL

Key Information:

Vendor

WordPress
Status
Nikstore Core
Vendor
CVE Published:
19 August 2026

What is CVE-2026-73388?

An SQL injection vulnerability exists in Nikstore Core versions up to 1.5 that allows unauthenticated users to execute arbitrary SQL commands. This vulnerability can lead to significant data exposure, manipulation, or deletion by exploiting the weaknesses in input validation mechanisms. Website owners using this plugin should take immediate action to patch their installations to prevent potential unauthorized access and data breaches.

Affected Version(s)

Nikstore Core <= 1.5

References

https://patchstack.com/database/wordpress/plugin/nikstore...
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

Tran Nguyen Bao Khanh (VCI - VNPT Cyber Immunity) | Patchstack Bug Bounty Program
.