Security Research Notes

Some random thoughts on security and computers.

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LINE CTF 2025 Level-Up Write-up

A write-up for Level-Up, the LINE CTF 2025 web challenge that chains an open redirect, a LevelDB prefix trick and frame counting.

Oct 19, 2025 · Web · 2 min read

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01 LINE CTF 2025 Level-Up Write-up Web Oct 19, 2025