CVE-2026-104676

Zion Builder <= 3.6.17 - Author+ Stored XSS via SVG Upload

Published Nov 10, 2026 CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions zion Builder
Vendors & Products Wordpress-extensions
Wordpress-extensions zion Builder
Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Description 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.
Title Zion Builder <= 3.6.17 - Author+ Stored XSS via SVG Upload
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Nov 11, 2026, 11:47 AM
Reserved
Oct 2, 2026, 8:00 AM
Status
Deferred
Published
Nov 10, 2026, 6:17 AM
Modified
Nov 11, 2026, 12:18 PM