CVE-2026-105294
9.1
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
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Legcord | Legcord | 1.1.0 <= 1.3.0 | affected |
Weaknesses
- CWE-15: External Control of System or Configuration Setting
References
- https://github.com/Legcord/Legcord/issues/1163
- 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://www.vulncheck.com/advisories/legcord-1.1.0-through-1.3.0-chromium-switch-injection-via-settings-setconfig
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.