How severe is CVE-2023-51355?

CVE-2023-51355 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2023-51355 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-51355?

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-2023-51355 have an EU (EUVD) identifier?

Yes. CVE-2023-51355 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56076.

When was CVE-2023-51355 published?

CVE-2023-51355 was published on 2024-12-09 and last updated on 2026-06-17.

CVE-2023-51355

CVE-2023-51355 is a high-severity vulnerability with a CVSS 3.x base score of 8.2. 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-862.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 1% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56076
Weakness: CWE-862
Published: 2024-12-09
Last modified: 2026-06-17

Description

Missing Authorization vulnerability in MultiVendorX MultiVendorX dc-woocommerce-multi-vendor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MultiVendorX: from n/a through <= 4.0.23.

Frequently asked questions

What is CVE-2023-51355?: Missing Authorization vulnerability in MultiVendorX MultiVendorX dc-woocommerce-multi-vendor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MultiVendorX: from n/a through <= 4.0.23.
How severe is CVE-2023-51355?: CVE-2023-51355 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2023-51355 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-51355?: 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-2023-51355 have an EU (EUVD) identifier?: Yes. CVE-2023-51355 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56076.
When was CVE-2023-51355 published?: CVE-2023-51355 was published on 2024-12-09 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/dc-woocommerce-multi-vendor/vulnerability/wordpress-multivendorx-plugin-4-0-23-broken-access-control-vulnerability?_s_id=cve

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