User Creation Vulnerability in Security For WooCommerce Plugin by WordPress
CVE-2026-100109

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Security For WooCommerce
Vendor
CVE Published:
5 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-100109?

The Security For WooCommerce plugin for WordPress, versions from 1.0.10 to 1.0.16, is susceptible to a serious vulnerability that allows unauthenticated users to bypass capability checks when creating new user accounts. This flaw permits attackers to designate roles for the newly created accounts, potentially granting them administrator privileges. As a result, an unauthorized individual could gain administrative control over the site, leading to possible data breaches, site defacement, and further exploitation.

Affected Version(s)

Security For WooCommerce 1.0.10 <= 1.0.16

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-2026-100109 - Proof of Concept

References

https://wpscan.com/vulnerability/b4d26eb3-ab32-456e-9f69-...
exploitvdb-entrytechnical-description

CVSS V3.0

Score:
9.8
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

Afan
WPScan
.