Authorization Bypass in CryptoPayment Gateway Plugin for WordPress
CVE-2026-81648

10CRITICAL

Key Information:

Vendor

WordPress
Status
Cryptopayment Gateway
Vendor
CVE Published:
13 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-81648?

The CryptoPayment Gateway plugin for WordPress versions 1.2.1 and 1.2.2 contains a significant security flaw that fails to implement proper authorization checks on one of its AJAX endpoints. This vulnerability permits unauthorized users to execute administrative tasks without sufficient authentication, leading to critical security issues such as the ability to delete arbitrary files on the server, modify payment gateway configurations, and retrieve sensitive stored wallet credentials in an unencrypted format. Immediate action is recommended to secure affected installations.

Affected Version(s)

CryptoPayment Gateway 1.2.1 <= 1.2.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-81648 - Proof of Concept

References

https://wpscan.com/vulnerability/9b1490a0-1381-4d22-8086-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pedro Pinho
WPScan
.