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CVE-2026-105294

Legcord 1.1.0 through 1.3.0 Chromium Switch Injection via settings.setConfig

CVSS 4.0 9.1 CRITICALCVSS 3.1 7.4 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-105294

Published

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.

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Advisory history

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23 Oct 2026 15:48:27 UTC

Legcord 1.1.0 through 1.3.0 Chromium Switch Injection via settings.setConfig

cve-program · CVE-2026-105294 · Published

This historical link shows only this version and versions saved before it. Browse all advisory history.

ChangeIntel

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Sources read 12 Nov 15:26 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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