---
id: CVE-2026-111406
title: WordPress MapSVG plugin <= 8.16.1 - Arbitrary File Upload vulnerability
summary: >-
  Unrestricted Upload of File with Dangerous Type vulnerability in PT Norther
  Lights Production MapSVG mapsvg-lite-interactive-vector-maps allows Upload a
  Web Shell to a Web Server.This issue affects MapSVG: from n/a through 8.16.1.
severity: critical
cvss: 9.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-434
vendor: PT Norther Lights Production
product: mapsvg-lite-interactive-vector-maps
affected:
  - mapsvg-lite-interactive-vector-maps <= 8.16.1
published: '2026-10-19'
updated: '2026-10-19'
sourceUpdated: '2026-10-19T09:09:18.419Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111406'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/mapsvg-lite-interactive-vector-maps/vulnerability/wordpress-mapsvg-plugin-8-16-1-arbitrary-file-upload-vulnerability?_s_id=cve
tags:
  - cve.org
ingestedAt: '2026-10-19T10:20:55.151Z'
---

## Overview

Unrestricted Upload of File with Dangerous Type vulnerability in PT Norther Lights Production MapSVG mapsvg-lite-interactive-vector-maps allows Upload a Web Shell to a Web Server.This issue affects MapSVG: from n/a through 8.16.1.

## Affected

- `mapsvg-lite-interactive-vector-maps <= 8.16.1`

## Remediation

Update the WordPress MapSVG plugin to the latest available version (at least 8.16.2).