---
id: "CVE-2026-123464"
page: "https://infrastack.ai/live/CVE-2026-123464"
kind: "vulnerability"
aliases: ["CVE-2026-123464"]
title: "The Events Calendar WordPress plugin: stored XSS through 6.18.3"
severity: "medium"
cvss: 6.5
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["package", "self-hosted", "the-events-calendar", "wordpress"]
not_affected_if: ["plugin-not-installed", "version-above-6.18.3"]
published_at: "2026-11-07T10:17:11+00:00"
first_seen_at: "2026-11-07T10:46:41+00:00"
updated_at: "2026-11-07T10:48:28+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-123464", "first_seen_at": "2026-11-07T10:46:41+00:00"}]
exploit_sources: []
---

# The Events Calendar WordPress plugin: stored XSS through 6.18.3

Link for people: https://infrastack.ai/live/CVE-2026-123464 (this .md is for agents)

The Events Calendar plugin by Liquid Web and StellarWP lets stored script be saved and later run in a visitor's browser. An attacker who can enter event content could run JavaScript in the browser of anyone who views the affected page.

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

## How to check

- Check the installed The Events Calendar plugin version in the WordPress admin under Plugins; versions through `6.18.3` are listed as affected.

## Fix

- The Events Calendar: a version later than `6.18.3` (the sources do not name the exact fixed release).

## Timeline

- 2026-11-07T10:46:41+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-123464

## From the sources

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Liquid Web / StellarWP The Events Calendar the-events-calendar allows Stored XSS.This issue affects The Events Calendar: from n/a through 6.18.3.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_