Lab 161 — PageForge — Path Traversal via Mixed Slash Filter Bypass

hackadvisor

Task: PHP CMS with theme template preview feature that filters ../ path traversal sequences. Solution: Bypassed the filter using mixed slash notation (..\\/..\\/) which PHP normalizes to parent directory traversal, reading /root/flag.txt.

lfi path_traversal php filter_bypass nginx cms alpine_linux honeypot_flag mixed_slash theme_preview

mixed_slash_filter_bypassbackslash_forward_slash_traversalpath_traversal_filter_evasion

$ ls tags/ techniques/

lfi path_traversal php filter_bypass nginx cms alpine_linux honeypot_flag mixed_slash theme_preview

mixed_slash_filter_bypassbackslash_forward_slash_traversalpath_traversal_filter_evasion

Analysis

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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