Wallet for WooCommerce Plugin Vulnerability Allows Unauthorized Wallet Top-Ups
CVE-2026-16538

9.1CRITICAL

Key Information:

Vendor

WordPress
Status
Wallet For WooCommerce
Vendor
CVE Published:
12 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16538?

The Wallet for WooCommerce plugin prior to version 1.6.10 suffers from a vulnerability where it fails to validate the actual amount collected during wallet top-up transactions. This oversight enables users to increase their wallet balance unjustly, allowing for potential financial exploitation. Proper validation mechanisms are crucial to ensure that the integrity and accuracy of wallet transactions are maintained, protecting both merchants and customers from fraudulent activities.

Affected Version(s)

Wallet for WooCommerce 0 < 1.6.10

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-2026-16538 - Proof of Concept

References

https://wpscan.com/vulnerability/bc87bb91-a0c4-4d35-8be1-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Guillermo Álvarez Fernández
WPScan
.