---
id: "CVE-2026-104676"
page: "https://infrastack.ai/live/CVE-2026-104676"
kind: "vulnerability"
aliases: ["CVE-2026-104676"]
title: "Zion Builder WordPress plugin: uploaded SVG files run JavaScript in visitors' browsers"
severity: "medium"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: [{"name": "Zion Builder", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["other", "self-hosted", "wordpress", "zion-builder"]
not_affected_if: ["no-author-uploads", "plugin-not-installed"]
published_at: "2026-11-10T06:17:07+00:00"
first_seen_at: "2026-11-10T06:20:22+00:00"
updated_at: "2026-11-10T06:22:25+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-104676", "first_seen_at": "2026-11-10T06:20:22+00:00"}]
exploit_sources: []
---

# Zion Builder WordPress plugin: uploaded SVG files run JavaScript in visitors' browsers

Link for people: https://infrastack.ai/live/CVE-2026-104676 (this .md is for agents)

The Zion Builder WordPress plugin through 3.6.17 stores uploaded SVG files without sanitizing them and serves them from the site's own origin. A logged-in Author or higher can upload an SVG containing JavaScript that runs in the browser of anyone who opens the file.

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

## Affected

- vendor:Zion Builder affected range not listed fixed no fixed version listed

## How to check

- Check whether the `Zion Builder` plugin is installed and its version is `3.6.17` or earlier in the WordPress plugins screen.
- Check whether users with the Author role or above can upload media files on the site.

## Timeline

- 2026-11-10T06:20:22+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-104676

## From the sources

The Zion Builder  WordPress plugin through 3.6.17 does not sanitize uploaded SVG files or validate their contents before storing them in a publicly accessible location and serving them from the site's own origin, allowing authenticated users with the Author role or above to upload a crafted SVG containing JavaScript that executes in the browser of anyone who opens the file.

---

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