high7.4
CVE-2026-105294
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.legc…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Legcord 1.1.0 | through 1.3.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/Legcord/Legcord
- https://github.com/Legcord/Legcord/blob/v1.3.0/src/discord/ipc.ts#L296-L299
- https://github.com/Legcord/Legcord/blob/v1.3.0/src/main.ts#L277-L307
- https://github.com/Legcord/Legcord/issues/1163
- https://www.vulncheck.com/advisories/legcord-1.1.0-through-1.3.0-chromium-switch-injection-via-settings-setconfig