{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-105294", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-05T00:19:08.246Z", "datePublished": "2026-10-05T00:44:19.284Z", "dateUpdated": "2026-10-05T20:28:31.628Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-05T00:44:19.284Z" }, "datePublic": "2026-08-30T00:00:00.000Z", "title": "Legcord 1.1.0 through 1.3.0 Chromium Switch Injection via settings.setConfig", "descriptions": [ { "lang": "en", "value": "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." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "External Control of System or Configuration Setting", "cweId": "CWE-15", "type": "CWE" } ] } ], "affected": [ { "vendor": "Legcord", "product": "Legcord", "defaultStatus": "unaffected", "versions": [ { "version": "1.1.0", "lessThanOrEqual": "1.3.0", "status": "affected", "versionType": "semver" } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH" } } ], "references": [ { "url": "https://github.com/Legcord/Legcord/issues/1163", "tags": [ "issue-tracking" ], "name": "GitHub Issue #1163" }, { "url": "https://github.com/Legcord/Legcord", "tags": [ "product" ] }, { "url": "https://github.com/Legcord/Legcord/blob/v1.3.0/src/discord/ipc.ts#L296-L299", "tags": [ "technical-description" ] }, { "url": "https://github.com/Legcord/Legcord/blob/v1.3.0/src/main.ts#L277-L307", "tags": [ "technical-description" ] }, { "name": "VulnCheck Advisory: Legcord 1.1.0 through 1.3.0 Chromium Switch Injection via settings.setConfig", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/legcord-1.1.0-through-1.3.0-chromium-switch-injection-via-settings-setconfig" } ], "credits": [ { "lang": "en", "value": "Siyang Wu", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-05T19:18:28.394263Z", "id": "CVE-2026-105294", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-05T20:28:31.628Z" } } ] } }