{"id":"CVE-2026-111406","kind":"vulnerability","aliases":["CVE-2026-111406"],"related":[],"title":"Unrestricted Upload of File with Dangerous Type vulnerability in PT Norther Lights Production MapSVG…","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.","summary":"MapSVG (mapsvg-lite-interactive-vector-maps), a WordPress-style interactive map plugin by PT Norther Lights Production, lets users upload files of dangerous types without restriction. An attacker can upload a web shell to the web server and run commands on it.","severity":"critical","cvss":9.9,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["mapsvg","package","self-hosted","wordpress"],"not_affected_if":["plugin-not-installed","versions-after-8.16.1"],"how_to_check":"Check the installed MapSVG version (versions up to and including 8.16.1 are affected) in the plugin's header or package metadata.","fix":"Update MapSVG to a version newer than 8.16.1; the sources do not name the fixed version.\nIf no fixed version is available, disable or remove the plugin and check the upload directories for unexpected script files.","status":"open","published_at":"2026-10-19T10:16:46+00:00","first_seen_at":"2026-10-23T21:57:17+00:00","triaged_at":"2026-10-23T21:59:57+00:00","updated_at":"2026-10-23T22:28:56+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-23T21:59:57Z","model":"claude-haiku-5-5","output":{"fix":"Update MapSVG to a version newer than 8.16.1; the sources do not name the fixed version.\nIf no fixed version is available, disable or remove the plugin and check the upload directories for unexpected script files.","reach":"internet","impact":"high","summary":"MapSVG (mapsvg-lite-interactive-vector-maps), a WordPress-style interactive map plugin by PT Norther Lights Production, lets users upload files of dangerous types without restriction. An attacker can upload a web shell to the web server and run commands on it.","category":"package","who_cares":["wordpress","mapsvg","self-hosted"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Attacker uploads a web shell and runs code on the server.","analyst_note":"Confirm the fixed version and whether the upload needs an account; check the NVD entry and the vendor or WordPress plugin changelog for the patch.","how_to_check":"Check the installed MapSVG version (versions up to and including 8.16.1 are affected) in the plugin's header or package metadata.\nunknown\nunknown","needs_analyst":true,"not_affected_if":["versions-after-8.16.1","plugin-not-installed"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000502,"input_tokens":2762,"output_tokens":452,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-111406':17A,20A '-2026':16A,19A '8.16.1':104C 'affect':99C 'allow':89C 'attack':56B 'command':68B 'cve':15A,18A 'danger':6A,51B,74C 'file':4A,49B,72C 'host':25B 'interact':31B,38B,86C 'issu':98C 'let':46B 'light':12A,44B,80C 'lite':30B,85C 'map':33B,39B,88C 'mapsvg':14A,21B,27B,29B,82C,84C,100C 'mapsvg-lite-interactive-vector-map':28B,83C 'n/a':102C 'norther':11A,43B,79C 'packag':22B 'plugin':40B 'product':13A,45B,81C 'pt':10A,42B,78C 'restrict':54B 'run':67B 'self':24B 'self-host':23B 'server':65B 'server.this':97C 'shell':61B,93C 'style':37B 'type':7A,52B,75C 'unrestrict':1A,69C 'upload':2A,48B,58B,70C,90C 'user':47B 'vector':32B,87C 'vulner':8A,76C 'web':60B,64B,92C,96C 'without':53B 'wordpress':26B,36B 'wordpress-styl':35B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-19T10:16:46+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cvss_by":"audit@patchstack.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-111406","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111406","severity":null,"published_at":"2026-10-19T10:16:46+00:00","modified_at":"2026-10-19T17:17:03+00:00","first_seen_at":"2026-10-23T21:57:17+00:00","fetched_at":"2026-10-23T22:28:56+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}