Vulnerability · Published Oct 18, 2026 · Assigned by Patchstack

CVE-2026-110382WordPress Simply Schedule Appointments plugin <= 1.6.12.35 - Cross Site Scripting (XSS) vulnerability

High 7.1

In plain English

A high-severity cross-site scripting in Simply Schedule Appointments from NSquared. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.2%top 93.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Stored XSS.This issue affects Simply Schedule Appointments: from n/a through 1.6.12.35.

Affected products (as reported)

VendorProductVersions
NSquared Simply Schedule Appointments 0 – through 1.6.12.35

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

References