RCE in Extendify Editorskit

CVE-2021-24546

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

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.018 (75.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24546?
CVE-2021-24546 is a high-severity vulnerability in Extendify Editorskit, classified under Code Injection. CVSS score: 8.8/10. Published 2021-10-11.
How severe is CVE-2021-24546?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-24546 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.