Cross-site Scripting Vulnerability in NSquared Simply Schedule Appointments
CVE-2026-110382

7.1HIGH

Key Information:

Vendor

WordPress
Status
Simply Schedule Appointments
Vendor
CVE Published:
18 October 2026

What is CVE-2026-110382?

The NSquared Simply Schedule Appointments plugin is susceptible to a stored Cross-site Scripting (XSS) vulnerability. This security flaw arises from improper handling of user input during the web page generation process. Attackers can exploit this vulnerability to inject malicious scripts, which could then be executed in the browser of users who access affected pages. This issue affects all versions from n/a up to 1.6.12.35, emphasizing the need for users to update to the latest version and implement security measures to mitigate potential risks.

Affected Version(s)

Simply Schedule Appointments 0 <= 1.6.12.35

References

https://patchstack.com/database/wordpress/plugin/simply-s...
vdb-entry

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Khanh Nguyen | Patchstack Bug Bounty Program
.