WEBZEN online games cannot be launched directly from Chrome without a native messaging bridge; this extension connects the browser to a Windows native game client (WZChromeExt.exe) to enable in-browser game launching

1. User installs extension + native host (WZChromeExt.exe) on Windows. 2. User logs into a WEBZEN game portal website. 3. The game portal website sends commands (plugin check, auth cookie setup, game launch) to the extension via externally_connectable messaging. 4. The extension forwards these commands to the native host application via nativeMessaging. 5. The native host manages plugin installation, authentication, and game client execution.

Target users: WEBZEN online game players using Chrome browser on Windows / Users of WEBZEN-published games on portals like webzen.co.kr, game.naver.com, hangame.com, game.daum.net, pmang.com

test.html appears to be a developer test page with hardcoded sample auth tokens, not user-facing UI
Cannot verify the exact auth flow on the actual WEBZEN game portals from source alone
The native host executable (WZChromeExt.exe) is binary and not inspected

Monetization

No paid features detected

The extension is a free game-launcher bridge utility. No billing, subscription, premium, freemium, or payment UI/APIs exist in the code. The 'license' keyword hits are BSD open-source license headers. The 'pro' hit is from verified_contents.json metadata. WEBZEN games may have in-game purchases, but the extension itself gates no features behind payment.

Confidence: 90
Payment platform: --
Source: AI / High
Login required: Yes
Reason: The extension itself has no login UI, but the core workflow requires a WEBZEN game account. The test.html shows that the game portal passes a WZ_AUTH token (authentication cookie with session data) to the extension via external messaging, which the extension forwards to the native game client. The ExecuteGame command includes the user ID and auth token (e.g. 'junyoby' and WZ_AUTH=1230606|...). This means the user must be logged into the WEBZEN game portal (webzen.co.kr, game.naver.com, hangame.com, etc.) to trigger game launch through this extension.

Permission risk

High-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

敏感权限：nativeMessaging

Publisher

WEBZEN

Independent publisher

Email: [email protected]
Phone: --
Address: --

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Permissions

Host access