File Upload Vulnerability in MapSVG Plugin by PT Northern Lights
CVE-2026-111406

9.9CRITICAL

Key Information:

Vendor

WordPress
Status
Mapsvg
Vendor
CVE Published:
19 October 2026

What is CVE-2026-111406?

The MapSVG Plugin by PT Northern Lights contains a vulnerability that permits the unrestricted uploading of files with dangerous types. This flaw could enable an attacker to upload a web shell, compromising the security of the web server. Affected users should review their installations for versions from n/a to 8.16.1 and implement the necessary updates or mitigations to prevent exploitation of this vulnerability.

Affected Version(s)

MapSVG 0 <= 8.16.1

References

https://patchstack.com/database/wordpress/plugin/mapsvg-l...
vdb-entry

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Peter Tang | Patchstack Bug Bounty Program
.