Web - Client 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

challenges 41 Challenges

Results Name Validations ↓↑ Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide Javascript - Authentication 47% 151961 5 g0uZ 9 8 October 2006
pas_valide Javascript - Source 44% 143865 5 g0uZ 5 7 October 2006
pas_valide HTML - disabled buttons 44% 142285 5 Final 10 16 July 2017
pas_valide Javascript - Authentication 2 41% 132467 10 na5sim 4 3 February 2011
pas_valide Javascript - Obfuscation 1 39% 125676 10 Hel0ck 10 7 October 2006
pas_valide Javascript - Obfuscation 2 34% 108535 10 Hel0ck 8 3 February 2011
pas_valide Javascript - Native code 25% 80621 15 g0uZ 8 13 March 2011
pas_valide Javascript - Obfuscation 3 19% 59758 30 Hel0ck 10 4 February 2011
pas_valide XSS - Stored 1 12% 37048 30 g0uZ 10 3 March 2012
pas_valide Javascript - Webpack 8% 23733 15 CanardMandarin 3 11 August 2020
pas_valide CSRF - 0 protection 6% 19314 35 sambecks 8 16 February 2016
pas_valide XSS - Stored 2 3% 8557 50 g0uZ 7 4 March 2012
pas_valide CSRF - token bypass 3% 6852 45 sambecks 8 18 February 2016
pas_valide Javascript - Obfuscation 4 2% 6439 50 aaSSfxxx 5 18 July 2011
pas_valide Flash - Authentication 2% 6128 40 koma 1 18 June 2012
pas_valide XSS - Reflected 2% 5668 45 pickle 6 16 March 2018
pas_valide XSS DOM Based - Introduction 2% 4925 35 Ruulian 4 12 August 2021
pas_valide CSP Bypass - Inline code 2% 4824 35 CanardMandarin 8 27 October 2020
pas_valide XSS DOM Based - Eval 1% 2271 40 Ruulian 5 12 August 2021
pas_valide HTTP Response Splitting 1% 2271 70 Arod 3 7 November 2013
pas_valide XSS DOM Based - AngularJS 1% 2066 40 Ruulian 3 12 August 2021
pas_valide CSP Bypass - Dangling markup 1% 1512 45 CanardMandarin 1 27 October 2020
pas_valide XSS - Stored - filter bypass 1% 1367 80 Arod , sambecks 8 2 January 2016
pas_valide CSP Bypass - JSONP 1% 1215 45 CanardMandarin 5 27 October 2020
pas_valide XSS DOM Based - Filters Bypass 1% 1201 50 Ruulian 6 12 August 2021
pas_valide CSP Bypass - Dangling markup 2 1% 1200 50 CanardMandarin 1 27 October 2020
pas_valide AST - Deobfuscation 1% 871 35 mhoste , Lxt3h 2 27 June 2023
pas_valide XSS - DOM Based 1% 810 85 vic 6 24 December 2016
pas_valide Web Socket - 0 protection 1% 799 35 Worty 1 22 October 2021
pas_valide Javascript - Obfuscation 5 1% 768 70 Hel0ck 3 4 February 2011
pas_valide CSP Bypass - Nonce 1% 738 50 Ruulian 4 8 April 2022
pas_valide CSS - Exfiltration 1% 515 50 Forgi , gwel 1 8 April 2022
pas_valide DOM Clobbering 1% 297 60 Mizu 1 8 April 2022
pas_valide CSP Bypass - Nonce 2 1% 263 35 Ruulian 1 27 June 2023
pas_valide Self XSS - DOM Secrets 1% 173 55 Mizu 3 28 July 2023
pas_valide XS Leaks 1% 169 75 Mizu 1 8 April 2022
pas_valide Relative Path Overwrite 1% 82 50 Mizu 0 28 July 2023
pas_valide Javascript - Obfuscation 6 1% 74 60 n3rada 0 27 April 2023
pas_valide Self XSS - Race Condition 1% 54 60 Mizu 0 28 July 2023
pas_valide Browser - bfcache / disk cache 1% 29 65 Mizu 0 28 July 2023
pas_valide Same Origin Method Execution 1% 20 90 Mizu 0 28 July 2023

Challenge Results Challenge Results

Pseudo Challenge Lang Date
TheLegend27 Web - Client  HTML - disabled buttons en 5 May 2024 at 17:30
ArTycho Web - Client  XSS DOM Based - Eval fr 5 May 2024 at 17:23
Small Vastianu Web - Client  XSS - Stockée 1 fr 5 May 2024 at 17:16
hellooo Web - Client  Javascript - Native code en 5 May 2024 at 17:15
Libfy Web - Client  Javascript - Obfuscation 2 fr 5 May 2024 at 17:09
Libfy Web - Client  Javascript - Obfuscation 1 fr 5 May 2024 at 17:05
Libfy Web - Client  Javascript - Authentification 2 fr 5 May 2024 at 17:02
Libfy Web - Client  Javascript - Source fr 5 May 2024 at 16:56
Libfy Web - Client  Javascript - Authentification fr 5 May 2024 at 16:55
Libfy Web - Client  HTML - boutons désactivés fr 5 May 2024 at 16:52