Critical severity · published Oct 19, 2026
CVE-2026-111406
WordPress MapSVG plugin <= 8.16.1 - Arbitrary File Upload vulnerability
9.9
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
MapSVG · PT Norther Lights Production
through 8.16.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-111406
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-111406
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
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