Vulnerability · Published Oct 19, 2026 · Assigned by Patchstack
CVE-2026-111406WordPress MapSVG plugin <= 8.16.1 - Arbitrary File Upload vulnerability
Critical 9.9
In plain English
A critical-severity unrestricted file upload in MapSVG from PT Norther Lights Production. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)0.3%top 74.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PT Norther Lights Production | MapSVG | 0 – through 8.16.1 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H