---
id: "CVE-2026-125821"
page: "https://infrastack.ai/live/CVE-2026-125821"
kind: "vulnerability"
aliases: ["CVE-2026-125821"]
title: "MapSVG WordPress plugin: stored script injection through web page content"
severity: "medium"
cvss: 5.3
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["mapsvg", "other", "web-frontend", "wordpress"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-11-13T15:17:41+00:00"
first_seen_at: "2026-11-13T15:46:18+00:00"
updated_at: "2026-11-13T15:49:01+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-125821", "first_seen_at": "2026-11-13T15:46:18+00:00"}]
exploit_sources: []
---

# MapSVG WordPress plugin: stored script injection through web page content

Link for people: https://infrastack.ai/live/CVE-2026-125821 (this .md is for agents)

MapSVG (mapsvg-lite-interactive-vector-maps) fails to neutralize script-related HTML tags on a web page, a basic cross-site scripting flaw. An attacker who can supply content to the page can run scripts in visitors' browsers.

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

## How to check

- Check whether the `mapsvg-lite-interactive-vector-maps` plugin is installed and its version is `9.0.4` or lower

## Fix

- Move to a version above `9.0.4` (the first fixed version is not stated in the sources)

## Timeline

- 2026-11-13T15:46:18+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-125821

## From the sources

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in PT Norther Lights Production MapSVG mapsvg-lite-interactive-vector-maps allows Code Injection.This issue affects MapSVG: from n/a through 9.0.4.

---

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