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2 posts across writeups, research, and technical deep-dives. Filter by tag.

2 posts
2026.02.07
0daySSRFXXE

Enketo 6.2.1 - Auth-Bypass, SSRF, and XXE Browser Abuse to File Read

This article is the result of an OffenSkill Training. It discusses an unauthenticated arbitrary file read vulnerability found in the Enketo software, a web survey manager. The vulnerability, found during a white-box code review session, allows an unauthenticated attacker to read any arbitrary file on the server's by chaining an auth bypass, SSRF, XXE in svg and browser abuses.

10 min
2025.09.21
CTFWeb SecuritySSRF

Amazon AppSec CTF: PageOneHTML

CTF writeup: an image-fetching helper on node-libcurl accepts any protocol, turning a markdown converter into an SSRF reaching an internal API via gopher://.

5 min
>_ esc