How severe is CVE-2026-39495?

CVE-2026-39495 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2026-39495 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-39495?

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-2026-39495 have an EU (EUVD) identifier?

Yes. CVE-2026-39495 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20160.

When was CVE-2026-39495 published?

CVE-2026-39495 was published on 2026-04-08 and last updated on 2026-06-17.

CVE-2026-39495

CVE-2026-39495 is a high-severity vulnerability with a CVSS 3.x base score of 8.5. 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-89.

Key facts

Severity: High (CVSS 3.x base score 8.5)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20160
Weakness: CWE-89
Published: 2026-04-08
Last modified: 2026-06-17

Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Blind SQL Injection.This issue affects Simply Schedule Appointments: from n/a through <= 1.6.9.27.

Frequently asked questions

What is CVE-2026-39495?: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Blind SQL Injection.This issue affects Simply Schedule Appointments: from n/a through <= 1.6.9.27.
How severe is CVE-2026-39495?: CVE-2026-39495 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2026-39495 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-39495?: 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-2026-39495 have an EU (EUVD) identifier?: Yes. CVE-2026-39495 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20160.
When was CVE-2026-39495 published?: CVE-2026-39495 was published on 2026-04-08 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-9-27-sql-injection-vulnerability?_s_id=cve

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