---
id: "CVE-2026-112844"
kind: "vulnerability"
aliases: ["CVE-2026-112844"]
title: "WP Event Solution WordPress plugin: stored XSS through 4.1.26"
severity: "high"
cvss: 7.1
epss: 0.00251
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["package", "wordpress", "wp-event-solution"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-10-24T08:16:51+00:00"
first_seen_at: "2026-10-24T08:47:15+00:00"
updated_at: "2026-10-25T12:38:49+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-112844", "first_seen_at": "2026-10-24T08:47:15+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-112844", "first_seen_at": "2026-10-25T12:38:49+00:00"}]
---

# WP Event Solution WordPress plugin: stored XSS through 4.1.26

The WP Event Solution WordPress plugin by Arraytics fails to neutralize input when generating web pages, allowing stored cross-site scripting. An attacker who can store malicious input in the plugin can run script in other users' browsers.

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

## How to check

- Check the installed version of the WP Event Solution plugin in the WordPress admin under Plugins, or with `wp plugin get wp-event-solution --field=version`
- Compare it against the affected range: versions through `4.1.26` are affected

## Fix

- Update WP Event Solution to a version later than `4.1.26`, as published by the vendor (fixed version unknown from the sources)
- If no fixed version is available, deactivate the plugin until one is released

## Timeline

- 2026-10-24T08:47:15+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-112844
- 2026-10-25T12:38:49+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-112844

## From the sources

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Arraytics WP Event Solution wp-event-solution allows Stored XSS.This issue affects WP Event Solution: from n/a through 4.1.26.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_