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  4. CVE 2026 105294 legcord 110 through 130 chromium switch injection
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Back to active CVEs
Critical · CVSS 9.1CVE-2026-105294

Legcord 1.1.0 through 1.3.0 Chromium Switch Injection via settings.setConfigCVE-2026-105294

Answer in brief

CVE-2026-105294 records a Critical severity (CVSS 9.1) vulnerability in Legcord 1.1.0 through 1.3.0 Chromium Switch Injection via settings.setConfig. The current sources do not mark it as known exploited. The current feed maps Legcord/Legcord (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 5, 2026Updated Oct 5, 2026Source checked Oct 5, 2026First seen by HOL Oct 5, 2026Material review Oct 5, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Legcord/Legcord (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Legcord/Legcordgeneric>=1.1.0 <=1.3.0Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Legcord/Legcord.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 5, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Legcord 1.1.0 through 1.3.0 Path Traversal via Theme IPC HandlersSame legcord/legcord package
  • WordPress Mindio Magic MCP plugin <= 0.5.6 - Sensitive Data Exposure vulnerabilitySame generic ecosystem
  • WWBN AVideo 12.4 through 29.2.0 Stored XSS via Double-Encoded Video TitleSame generic ecosystem
  • WWBN AVideo through 29.2.0 Stored XSS via trailer1 in YouPHPFlix2 TemplatesSame generic ecosystem
  • SciPhi-AI R2R JWT Secret hard-coded credentialsSame generic ecosystem
  • SciPhi-AI R2R Retrieval Completion API Endpoint llm.py server-side request forgerySame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-15
Source
CVE List V5
Source checked
Oct 5, 2026
References
5 linked sources
Open source record