How severe is CVE-2023-6635?

CVE-2023-6635 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-6635 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6635?

CVE-2023-6635 affects Extendify Editorskit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6635?

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.

Does CVE-2023-6635 have an EU (EUVD) identifier?

Yes. CVE-2023-6635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58858.

When was CVE-2023-6635 published?

CVE-2023-6635 was published on 2024-02-05 and last updated on 2026-06-17.

CVE-2023-6635

CVE-2023-6635 is a high-severity vulnerability in Extendify Editorskit with a CVSS 3.x base score of 7.2. 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-434.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-58858
Weakness: CWE-434
Affected product: Extendify Editorskit
Published: 2024-02-05
Last modified: 2026-06-17

Description

The EditorsKit plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation on the 'import_styles' function in versions up to, and including, 1.40.3. This makes it possible for authenticated attackers with administrator-level capabilities or above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Frequently asked questions

What is CVE-2023-6635?: The EditorsKit plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation on the 'import_styles' function in versions up to, and including, 1.40.3. This makes it possible for authenticated attackers with administrator-level capabilities or above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
How severe is CVE-2023-6635?: CVE-2023-6635 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-6635 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6635?: CVE-2023-6635 affects Extendify Editorskit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6635?: 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.
Does CVE-2023-6635 have an EU (EUVD) identifier?: Yes. CVE-2023-6635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58858.
When was CVE-2023-6635 published?: CVE-2023-6635 was published on 2024-02-05 and last updated on 2026-06-17.

References

Affected products (1)

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

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