---
id: "CVE-2026-110382"
kind: "vulnerability"
aliases: ["CVE-2026-110382"]
title: "Simply Schedule Appointments WordPress plugin: stored XSS through version 1.6.12.35"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["package", "self-hosted", "wordpress", "wordpress-plugin"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-10-18T11:16:36+00:00"
first_seen_at: "2026-10-23T21:57:14+00:00"
updated_at: "2026-10-25T03:36:11+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110382", "first_seen_at": "2026-10-23T21:57:14+00:00"}]
---

# Simply Schedule Appointments WordPress plugin: stored XSS through version 1.6.12.35

Simply Schedule Appointments, a WordPress booking plugin by NSquared, fails to neutralize input before writing it into web pages, which allows stored cross-site scripting. An attacker who can plant script in a stored field can run it in the browser of whoever later views that page, such as an administrator.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed version of the Simply Schedule Appointments plugin in the WordPress admin Plugins screen, or with `wp plugin get simply-schedule-appointments --field=version`
- Compare the result against the affected range through `1.6.12.35`

## Fix

- Update Simply Schedule Appointments to a version later than `1.6.12.35`; the sources do not name the fixed release, so check the plugin's changelog
- unknown whether a configuration change mitigates it before updating

## Timeline

- 2026-10-23T21:57:14+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-110382

## From the sources

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.

---

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