{"id":"CVE-2026-105294","revision":"bb459e71cc694de8b8e8d573cbf014cb","records":[{"revision":"bb459e71cc694de8b8e8d573cbf014cb","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-105294","aliases":[],"title":"Legcord 1.1.0 through 1.3.0 Chromium Switch Injection via settings.setConfig","description":"Legcord 1.1.0 through 1.3.0 contains a configuration injection vulnerability that allows script in the Discord page to write any config key via the window.legcord settings.setConfig bridge. Attackers exploiting a Discord XSS can set additionalArguments to persistently add --proxy-server and --ignore-certificate-errors switches, routing all client traffic through an interception proxy.","state":0,"publishedAt":"2026-10-05T00:44:19.284+00:00","modifiedAt":"2026-10-05T20:28:31.628+00:00","affected":[{"ecosystem":"Vendor product","name":"Legcord","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Legcord\",\n                    \"product\": \"Legcord\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"1.1.0\",\n                            \"lessThanOrEqual\": \"1.3.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":9.1,"severity":"CRITICAL"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","score":7.4,"severity":"HIGH"}],"references":["https://github.com/Legcord/Legcord/issues/1163","https://github.com/Legcord/Legcord","https://github.com/Legcord/Legcord/blob/v1.3.0/src/discord/ipc.ts#L296-L299","https://github.com/Legcord/Legcord/blob/v1.3.0/src/main.ts#L277-L307","https://www.vulncheck.com/advisories/legcord-1.1.0-through-1.3.0-chromium-switch-injection-via-settings-setconfig"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-105294","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-105294","identifiers":["CVE-2026-105294"]},"retained":false,"historicalAffected":[]}],"coverage":[]}