CVE-2026-39447

High

Description

Unauthenticated Cross Site Scripting (XSS) in Simply Schedule Appointments <= 1.6.10.6 versions.

SeverityHigh
CVSS7.1
Exploit probability15. percentile0.2%
ProductSimply Schedule Appointments
PublishedJun 15, 2026
First seenJun 15, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
NSquared Simply Schedule Appointmentsv ≤ 1.6.10.6—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.