CVE-2026-105293
HIGHCVSS 8.1Description
Legcord 1.1.0 through 1.3.0 contains a path traversal vulnerability in theme IPC handlers that allows script in the Discord page to escape the themes directory via unvalidated theme ids. Attackers running script in the Discord origin, such as through XSS, can abuse themes.folder, themes.uninstall, and themes.install to launch local executables, recursively delete directories, and write files outside the themes directory.
Timeline
Published:October 5th, 2026 1:16 AM
Last modified:October 5th, 2026 3:17 PM
CVSS Scoring
CVSS v3: 8.1 (HIGH)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
- https://github.com/Legcord/Legcord
- https://github.com/Legcord/Legcord/blob/v1.3.0/src/common/themes.ts#L269-L276
- https://github.com/Legcord/Legcord/blob/v1.3.0/src/discord/ipc.ts#L201-L206
- https://github.com/Legcord/Legcord/issues/1163
- https://www.vulncheck.com/advisories/legcord-1.1.0-through-1.3.0-path-traversal-via-theme-ipc-handlers
Source: NIST NVD · Data may lag official sources by up to one minute