Web - Client

Client-side technologies implemented in the web browser

At first you will be faced with problems that will require little to no knowledge of web scripting language. Pretty soon the plot thickens ...

These challenges confront you to the use of scripting languages and client-side programming. They are mostly scripts to analyze and understand. This will allow you to learn languages which are in widespread use on the internet.

Prerequisites:
- Understanding a scripting language such javascript/vbscript
- Understanding the operation of a debugger such firebug/javascript console

 24 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide HTML - disabled buttons 39% 86455 5 Final 10 16 July 2017
pas_valide Javascript - Authentication 45% 101635 5 g0uZ 8 8 October 2006
pas_valide Javascript - Source 43% 97001 5 g0uZ 5 7 October 2006
pas_valide Javascript - Authentication 2 39% 87840 10 na5sim 3 3 February 2011
pas_valide Javascript - Obfuscation 1 38% 84074 10 Hel0ck 10 7 October 2006
pas_valide Javascript - Obfuscation 2 32% 72225 10 Hel0ck 7 3 February 2011
pas_valide Javascript - Native code 23% 50535 15 g0uZ 7 13 March 2011
pas_valide Javascript - Webpack 4% 8002 15 CanardMandarin 3 11 August 2020
pas_valide Javascript - Obfuscation 3 18% 40217 30 Hel0ck 7 4 February 2011
pas_valide XSS - Stored 1 11% 23899 30 g0uZ 10 3 March 2012
pas_valide CSP Bypass - Inline code 1% 1168 35 CanardMandarin 6 27 October 2020
pas_valide CSRF - 0 protection 6% 13535 35 sambecks 8 16 February 2016
pas_valide Flash - Authentication 3% 4830 40 koma 1 18 June 2012
pas_valide CSP Bypass - Dangling markup 1% 439 45 CanardMandarin 1 27 October 2020
pas_valide CSP Bypass - JSONP 1% 419 45 CanardMandarin 5 27 October 2020
pas_valide CSRF - token bypass 3% 4861 45 sambecks 7 18 February 2016
pas_valide XSS - Reflected 2% 3360 45 pickle 5 16 March 2018
pas_valide CSP Bypass - Dangling markup 2 1% 252 50 CanardMandarin 1 27 October 2020
pas_valide Javascript - Obfuscation 4 3% 4802 50 aaSSfxxx 5 18 July 2011
pas_valide XSS - Stored 2 3% 5581 50 g0uZ 6 4 March 2012
pas_valide HTTP Response Splitting 1% 1455 70 Arod 3 7 November 2013
pas_valide Javascript - Obfuscation 5 1% 543 70 Hel0ck 3 4 February 2011
pas_valide XSS - Stored - filter bypass 1% 890 80 Arod 7 2 January 2016
pas_valide XSS - DOM Based 1% 463 85 vic 6 24 December 2016

Challenge Results Challenge Results

Pseudo Challenge Lang Date
GED   Javascript - Authentification 2 2 August 2021 at 02:57
Neyzn   Javascript - Native code 2 August 2021 at 02:56
Neyzn   Javascript - Obfuscation 2 2 August 2021 at 02:52
g1213   Javascript - Obfuscation 2 2 August 2021 at 02:45
Neyzn   Javascript - Obfuscation 1 2 August 2021 at 02:43
g1213   Javascript - Obfuscation 1 2 August 2021 at 02:42
Neyzn   Javascript - Source 2 August 2021 at 02:40
Armin   Javascript - Obfuscation 2 2 August 2021 at 02:39
Neyzn   Javascript - Authentification 2 2 August 2021 at 02:39
megalosore   HTTP Response Splitting 2 August 2021 at 02:35