CVE-2021-4334

Name: CVE-2021-4334
Creator: NVD / NIST
Published: 2023-10-20T08:15:11.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2021-4334 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The Fancy Product Designer plugin for WordPress is vulnerable to unauthorized modification of site options due to a missing capability check on the fpd_update_options function in versions up to, and including, 4.6.9. This makes it possible for authenticated attackers with subscriber-level permissions to modify site options, including setting the default role to administrator which can allow privilege escalation.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

The Fancy Product Designer plugin for WordPress is vulnerable to unauthorized modification of site options due to a missing capability check on the fpd_update_options function in versions up to, and including, 4.6.9. This makes it possible for authenticated attackers with subscriber-level permissions to modify site options, including setting the default role to administrator which can allow privilege escalation.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.67%

47.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Radykal	Fancy Product Designer	< 4.7.0

References

https://support.fancyproductdesigner.com/support/discussions/topics/13000029981Release Notes
https://www.wordfence.com/threat-intel/vulnerabilities/id/ea097cb7-85f4-4b6d-9f29-bc2636993f21?source=cveThird Party Advisory
https://support.fancyproductdesigner.com/support/discussions/topics/13000029981Release Notes
https://www.wordfence.com/threat-intel/vulnerabilities/id/ea097cb7-85f4-4b6d-9f29-bc2636993f21?source=cveThird Party Advisory

Timeline

Published: Oct 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-4334?

How severe is CVE-2021-4334?

CVE-2021-4334 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2021-4334?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-4334?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST