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.
Published: 2026-10-05
Score: 9.1 Critical
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 05 Oct 2026 01:00:00 +0000

Type Values Removed Values Added
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.
Title Legcord 1.1.0 through 1.3.0 Chromium Switch Injection via settings.setConfig
Weaknesses CWE-15
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 9.1, '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'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-05T00:44:19.284Z

Reserved: 2026-10-05T00:19:08.246Z

Link: CVE-2026-105294

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-05T01:16:28.923

Modified: 2026-10-05T01:16:28.923

Link: CVE-2026-105294

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses