High severity7.4NVD Advisory· Published Oct 5, 2026

CVE-2026-105294

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Legcord/Legcordllm-create
Range: 1.1.0 - 1.3.0

Patches

Vulnerability mechanics

References

github.com/Legcord/Legcord/blob/v1.3.0/src/discord/ipc.tsnvd
github.com/Legcord/Legcord/blob/v1.3.0/src/main.tsnvd
github.com/Legcord/Legcord/issues/1163nvd
www.vulncheck.com/advisories/legcord-1.1.0-through-1.3.0-chromium-switch-injection-via-settings-setconfignvd

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