---
id: "CVE-2026-111848"
kind: "vulnerability"
aliases: ["CVE-2026-111848"]
title: "Geo Mashup WordPress plugin: reflected XSS through 1.13.22"
severity: "high"
cvss: 7.1
epss: 0.00202
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["geo-mashup", "package", "wordpress", "wordpress-plugin"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-10-21T15:17:16+00:00"
first_seen_at: "2026-10-23T21:57:28+00:00"
updated_at: "2026-10-25T03:31:48+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111848", "first_seen_at": "2026-10-23T21:57:28+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-111848", "first_seen_at": "2026-10-24T13:15:54+00:00"}]
---

# Geo Mashup WordPress plugin: reflected XSS through 1.13.22

The Geo Mashup WordPress plugin by Dylan Kuhn does not neutralize input in some page output, enabling reflected cross-site scripting. An attacker can run script in a visitor's browser by tricking them into opening a crafted link.

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

## How to check

- Check the installed Geo Mashup plugin version in the WordPress admin under Plugins, or with `wp plugin get geo-mashup --field=version`
- unknown for other checks; the sources do not name the affected parameter or endpoint

## Fix

- Update Geo Mashup to a version later than `1.13.22`
- unknown for a patched version number; the sources do not give one

## Timeline

- 2026-10-23T21:57:28+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-111848
- 2026-10-24T13:15:54+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-111848

## From the sources

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Dylan Kuhn  Geo Mashup geo-mashup allows Reflected XSS.This issue affects  Geo Mashup: from n/a through 1.13.22.

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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_