CVE-2021-24546

Name: CVE-2021-24546
Creator: NVD / NIST
Published: 2021-10-11T11:15:08.697+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.75%

Last modified Jun 17, 2026

CVE-2021-24546 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The Gutenberg Block Editor Toolkit – EditorsKit WordPress plugin before 1.31.6 does not sanitise and validate the Conditional Logic of the Custom Visibility settings, allowing users with a role as low contributor to execute Arbitrary PHP code. EPSS estimates a 1.75% chance of exploitation in the next 30 days.

Description

The Gutenberg Block Editor Toolkit – EditorsKit WordPress plugin before 1.31.6 does not sanitise and validate the Conditional Logic of the Custom Visibility settings, allowing users with a role as low contributor to execute Arbitrary PHP code

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

1.75%

75.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Extendify	Editorskit	< 1.31.6

References

https://wpscan.com/vulnerability/bdc36f6a-682d-4d66-b587-92e86085d971Exploit, Third Party Advisory
https://wpscan.com/vulnerability/bdc36f6a-682d-4d66-b587-92e86085d971Exploit, Third Party Advisory

Timeline

Published: Oct 11, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24546?

How severe is CVE-2021-24546?

CVE-2021-24546 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.75% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24546?

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-2021-24546?

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

Scan your code now

Source: NVD / NIST