Kacper SzurekTagsPolishNewsletterAbout
YouTubeWebinaryFacebookTwitter
Kacper Szurek
TagsPolishNewsletterAboutYouTubeWebinaryFacebookTwitter

Ctf

BlazeCTF 2016 Postboard Writeup

Exploit cPickle.loads which deserialize object from untrusted user input session['auth'] inside verifySession() function.

24-04-2016

4 MIN READ

Ctf

CONFidence DS CTF 2016 RoflScale Writeup

Bypass Python urlparse function

15-04-2016

2 MIN READ

Vulnerabilities

Monstra 3.0.1 Privilege Escalation

Every registered user can change every account because `Request

08-04-2016

2 MIN READ

Ctf

Pwn2Win CTF 2016 Facebug Writeup

Exploit Mako Templates for Python.

30-03-2016

1 MIN READ

Vulnerabilities

Tribulant Slideshow Gallery 1.5.3.4 Reflected XSS

$_GET['order'] is not escaped.

21-03-2016

1 MIN READ

Ctf

0CTF 2016 GuestBook 1 Writeup

Use XSS Auditor for XSS bypass

14-03-2016

3 MIN READ

Ctf

Boston Key Party CTF 2016 Good Morning and OptiProxy Writeup

SQL Injection because of shift-jis encoding.

07-03-2016

2 MIN READ

Ctf

Internetwache CTF 2016 Web Writeup

In PHP when hash looks like 0e[0-9]* and are compared using == it is treated as exponent

22-02-2016

2 MIN READ

From 0 to pentesting hero

Cross-Site Websocket Hijacking

Not so long ago, to make website's content appear in real time it had to be kind of simulated. For example from the level of JavaScript - by sending a request to the server every few seconds and downloading the latest content.

24-07-2019

4 MIN READ

© 2026 Kacper Szurek
Disclosure Policy
YouTube
Facebook
Twitter