Unauthenticated Broken Access Control in Simple Payment Plugin by WordPress
CVE-2026-81767

7.5HIGH

Key Information:

Vendor

WordPress
Status
Simple Payment
Vendor
CVE Published:
28 August 2026

What is CVE-2026-81767?

The Simple Payment Plugin for WordPress versions up to 2.5.2 has a vulnerability that allows unauthorized users to gain access to restricted actions. This security issue stems from improper access control measures, enabling potential malicious actors to exploit sensitive functionalities without authentication. It is critical for site administrators to ensure they are using updated versions of the plugin to safeguard against this risk.

Affected Version(s)

Simple Payment <= 2.5.2

References

https://patchstack.com/database/wordpress/plugin/simple-p...
vdb-entry

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

JunHee CHO | Patchstack Bug Bounty Program
.