CVE-2026-111406 PUBLISHED

WordPress MapSVG plugin <= 8.16.1 - Arbitrary File Upload vulnerability

Assigner: Patchstack
Reserved: 16.10.2026 Published: 19.10.2026 Updated: 19.10.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 9.9

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	PT Norther Lights Production
Product	MapSVG
Versions	Default: unaffected affected from 0 to 8.16.1 (incl.)

Solutions

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

Credits

Peter Tang | Patchstack Bug Bounty Program finder

References

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

Problem Types

Unrestricted Upload of File with Dangerous Type CWE

Impacts

Upload a Web Shell to a Web Server