CVE-2026-39447

HIGH 7.1

WordPress Simply Schedule Appointments plugin <= 1.6.10.6 - Cross Site Scripting (XSS) vulnerability

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

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

CWE	CWE-79
Vendor	nsquared
Product	simply schedule appointments
Published	Jun 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

NSquared / Simply Schedule Appointments

n/a ≤ 1.6.10.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-10-6-cross-site-scripting-xss-vulnerability?_s_id=cve

Credits

devploit | Patchstack Bug Bounty Program