How severe is CVE-2026-42384?

CVE-2026-42384 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-42384 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-42384?

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-2026-42384 have an EU (EUVD) identifier?

Yes. CVE-2026-42384 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36812.

When was CVE-2026-42384 published?

CVE-2026-42384 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2026-42384

CVE-2026-42384 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-201.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36812
Weakness: CWE-201
Published: 2026-06-15
Last modified: 2026-06-17

Description

Unauthenticated Sensitive Data Exposure in Simply Schedule Appointments < 1.6.11.2 versions.

Frequently asked questions

What is CVE-2026-42384?: Unauthenticated Sensitive Data Exposure in Simply Schedule Appointments < 1.6.11.2 versions.
How severe is CVE-2026-42384?: CVE-2026-42384 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-42384 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-42384?: 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-2026-42384 have an EU (EUVD) identifier?: Yes. CVE-2026-42384 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36812.
When was CVE-2026-42384 published?: CVE-2026-42384 was published on 2026-06-15 and last updated on 2026-06-17.

References

https://patchstack.com/database/wordpress/plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-11-2-sensitive-data-exposure-vulnerability?_s_id=cve

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