How severe is CVE-2021-24546?

CVE-2021-24546 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-24546 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24546?

CVE-2021-24546 affects Extendify Editorskit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24546?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-24546 published?

CVE-2021-24546 was published on 2021-10-11 and last updated on 2026-06-17.

CVE-2021-24546

CVE-2021-24546 is a high-severity vulnerability in Extendify Editorskit with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Extendify Editorskit
Published: 2021-10-11
Last modified: 2026-06-17

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

Frequently asked questions

What is 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
How severe is CVE-2021-24546?: CVE-2021-24546 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-24546 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24546?: CVE-2021-24546 affects Extendify Editorskit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24546?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-24546 published?: CVE-2021-24546 was published on 2021-10-11 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/bdc36f6a-682d-4d66-b587-92e86085d971

Affected products (1)

cpe:2.3:a:extendify:editorskit:*:*:*:*:*:wordpress:*:*

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