CVE-2026-111406

CRITICAL 9.9

WordPress MapSVG plugin <= 8.16.1 - Arbitrary File Upload vulnerability

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-434
Vendor	pt norther lights production
Product	mapsvg
Published	Oct 19, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

PT Norther Lights Production / MapSVG

0 ≤ 8.16.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: 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

Credits

Peter Tang | Patchstack Bug Bounty Program