How severe is CVE-2026-54807?

CVE-2026-54807 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-54807 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-54807?

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.

Does CVE-2026-54807 have an EU (EUVD) identifier?

Yes. CVE-2026-54807 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37643.

When was CVE-2026-54807 published?

CVE-2026-54807 was published on 2026-06-17.

CVE-2026-54807

CVE-2026-54807 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-266.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37643
Weakness: CWE-266
Published: 2026-06-17
Last modified: 2026-06-17

Description

Unauthenticated Privilege Escalation in Registration Form for WooCommerce <= 1.0.9 versions.

Frequently asked questions

What is CVE-2026-54807?: Unauthenticated Privilege Escalation in Registration Form for WooCommerce <= 1.0.9 versions.
How severe is CVE-2026-54807?: CVE-2026-54807 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-54807 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-54807?: 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.
Does CVE-2026-54807 have an EU (EUVD) identifier?: Yes. CVE-2026-54807 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37643.
When was CVE-2026-54807 published?: CVE-2026-54807 was published on 2026-06-17.

References

https://patchstack.com/database/wordpress/plugin/registration-form-for-woocommerce/vulnerability/wordpress-registration-form-for-woocommerce-plugin-1-0-9-privilege-escalation-vulnerability?_s_id=cve

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