Is Leetcode helper by labuladong safe?

Medium risk

Leetcode helper by labuladong places the user's labuladong site token into a LeetCode page iframe URL.

When its LeetCode panel opens, the extension asks its background worker to fetch a labuladong site token using the user's logged-in cookies. It appends that token to a labuladong.online iframe URL injected into the LeetCode page, making the token visible in the page DOM to scripts running on leetcode.com or leetcode.cn.

Part of this rating comes from analysis signals we haven't published as detailed findings yet.

45Risk
Who publishes it

No other listings under this identity

What this publisher told the store about itself, and the other listings that told it the same thing.

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

Where it sends data

Destinations our analysis observed Leetcode helper by labuladong contacting. Sending data somewhere is not a finding on its own - an extension that syncs your settings has to talk to its own server - but it is where your data can go, and who else it goes to.

  • labuladong.online

    Leetcode helper by labuladong sends data to labuladong.online. One other extension we have analysed sends data here.

  • leetcode.cn

    Leetcode helper by labuladong sends data to leetcode.cn. No other extension we have analysed sends data here.

  • leetcode.com

    Leetcode helper by labuladong sends data to leetcode.com. No other extension we have analysed sends data here.

Updated 30 September 2026elafhogmnaapleckojedgipgmidneccg