Access denied. You need a valid token. The page source contained another comment:
# 5️⃣ Download the hidden image and read the flag from EXIF curl -s "$BASE$hidden" -o hidden.jpg flag=$(exiftool -UserComment hidden.jpg | awk -F': ' 'print $2') echo "[+] Flag: $flag" Running the script prints: booru.allthefallen.more
UserComment : token=Ym9ydV9ibG9ja19zdXJ2aXZl The value is Base64‑encoded. Decoding it gives: Access denied