Legcord 1.1.0 through 1.3.0 Chromium Switch Injection via settings.setConfig
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.
CVE-2026-105294
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-105294
Legcord
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Legcord",
"product": "Legcord",
"versions": [
{
"status": "affected",
"version": "1.1.0",
"versionType": "semver",
"lessThanOrEqual": "1.3.0"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-105294
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #8943 · Revision 1
- Added to Heist Feed
- Publisher date