Unauthenticated SQL Injection in WordPress SimplePay Plugin
CVE-2026-56036

9.3CRITICAL

Key Information:

Vendor

WordPress
Status
워드프레스 결제 심플페이
Vendor
CVE Published:
26 June 2026

What is CVE-2026-56036?

An unauthenticated SQL injection vulnerability exists in versions of the SimplePay plugin for WordPress up to and including 5.5.6. This vulnerability allows attackers to exploit the application by injecting arbitrary SQL commands into the query executed by the database. As a result, unauthenticated users can potentially manipulate the database and retrieve sensitive information, posing a significant risk to the integrity and confidentiality of the application.

Affected Version(s)

워드프레스 결제 심플페이 <= 5.5.6

References

https://patchstack.com/database/wordpress/plugin/pgall-fo...
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

qdtad | Patchstack Bug Bounty Program
.