How severe is CVE-2023-51421?

CVE-2023-51421 has a CVSS 3.x base score of 9.9, rated critical 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-2023-51421 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51421?

CVE-2023-51421 affects Soft8soft Verge3d. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51421?

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

When was CVE-2023-51421 published?

CVE-2023-51421 was published on 2023-12-29 and last updated on 2026-06-17.

CVE-2023-51421

CVE-2023-51421 is a critical-severity vulnerability in Soft8soft Verge3d with a CVSS 3.x base score of 9.9. 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: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Soft8soft Verge3d
Published: 2023-12-29
Last modified: 2026-06-17

Description

Unrestricted Upload of File with Dangerous Type vulnerability in Soft8Soft LLC Verge3D Publishing and E-Commerce.This issue affects Verge3D Publishing and E-Commerce: from n/a through 4.5.2.

Frequently asked questions

What is CVE-2023-51421?: Unrestricted Upload of File with Dangerous Type vulnerability in Soft8Soft LLC Verge3D Publishing and E-Commerce.This issue affects Verge3D Publishing and E-Commerce: from n/a through 4.5.2.
How severe is CVE-2023-51421?: CVE-2023-51421 has a CVSS 3.x base score of 9.9, rated critical 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-2023-51421 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51421?: CVE-2023-51421 affects Soft8soft Verge3d. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51421?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-51421 published?: CVE-2023-51421 was published on 2023-12-29 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/verge3d/wordpress-verge3d-plugin-4-5-2-arbitrary-file-upload-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:soft8soft:verge3d:*:*:*:*:*:wordpress:*:*

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