# 2️⃣ Download the image and extract the token from EXIF curl -s "$BASE$thumb" -o thumb.jpg token=$(exiftool -UserComment thumb.jpg | awk -F': ' 'print $2') echo "[+] Token extracted: $token"
UserComment : token=Ym9ydV9ibG9ja19zdXJ2aXZl The value is Base64‑encoded. Decoding it gives:
Write‑up by YourName – 2023
zsteg hidden_flag.jpg No hidden data were found; the flag was solely stored in the EXIF comment, confirming the intended solution. #!/usr/bin/env bash set -euo pipefail
<!-- see /more for the rest --> Running a quick DirBuster/ffuf scan against the root with a small wordlist ( common.txt ) uncovered a hidden endpoint: