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

42 Challenges

Results	Name ↓↑	Validations	Number of points	Difficulty	Author	Note	Solution	Date
	AST - Deobfuscation	1% 1404	35		mhoste , Lxt3h		2	27 June 2023
	Browser - bfcache / disk cache	1% 47	65		Mizu		0	28 July 2023
	CSP Bypass - Dangling markup	1% 1671	45		CanardMandarin		1	27 October 2020
	CSP Bypass - Dangling markup 2	1% 1366	50		CanardMandarin		1	27 October 2020
	CSP Bypass - Inline code	2% 5396	35		CanardMandarin		8	27 October 2020
	CSP Bypass - JSONP	1% 1349	45		CanardMandarin		5	27 October 2020
	CSP Bypass - Nonce	1% 908	50		Ruulian		4	8 April 2022
	CSP Bypass - Nonce 2	1% 459	35		Ruulian		1	27 June 2023
	CSPT - The Ruler	1% 17	60		Rolix , Mizu		0	27 September 2024
	CSRF - 0 protection	6% 20254	35		sambecks		8	16 February 2016
	CSRF - token bypass	3% 7204	45		sambecks		8	18 February 2016
	CSS - Exfiltration	1% 601	50		Forgi , gwel		1	8 April 2022
	DOM Clobbering	1% 348	60		Mizu		1	8 April 2022
	Flash - Authentication	2% 6310	40		koma		1	18 June 2012
	HTML - disabled buttons	44% 151234	5		Final		10	16 July 2017
	HTTP Response Splitting	1% 2380	70		Arod		3	7 November 2013
	Javascript - Authentication	47% 160105	5		g0uZ		9	8 October 2006
	Javascript - Authentication 2	41% 139669	10		na5sim		4	3 February 2011
	Javascript - Native code	25% 84976	15		g0uZ		8	13 March 2011
	Javascript - Obfuscation 1	39% 132434	10		Hel0ck		10	7 October 2006
	Javascript - Obfuscation 2	34% 114477	10		Hel0ck		8	3 February 2011
	Javascript - Obfuscation 3	19% 62707	30		Hel0ck		10	4 February 2011
	Javascript - Obfuscation 4	2% 6742	50		aaSSfxxx		5	18 July 2011
	Javascript - Obfuscation 5	1% 785	70		Hel0ck		3	4 February 2011
	Javascript - Obfuscation 6	1% 100	60		n3rada		0	27 April 2023
	Javascript - Source	44% 151602	5		g0uZ		5	7 October 2006
	Javascript - Webpack	8% 25975	15		CanardMandarin		3	11 August 2020
	Relative Path Overwrite	1% 140	50		Mizu		1	28 July 2023
	Same Origin Method Execution	1% 31	90		Mizu		0	28 July 2023
	Self XSS - DOM Secrets	1% 220	55		Mizu		3	28 July 2023
	Self XSS - Race Condition	1% 77	60		Mizu		1	28 July 2023
	Web Socket - 0 protection	1% 872	35		Worty		1	22 October 2021
	XS Leaks	1% 180	75		Mizu		1	8 April 2022
	XSS - DOM Based	1% 846	85		vic		6	24 December 2016
	XSS - Reflected	2% 6130	45		pickle		6	16 March 2018
	XSS - Stored - filter bypass	1% 1476	80		Arod , sambecks		8	2 January 2016
	XSS - Stored 1	12% 39528	30		g0uZ		10	3 March 2012
	XSS - Stored 2	3% 9157	50		g0uZ		7	4 March 2012
	XSS DOM Based - AngularJS	1% 2433	40		Ruulian		3	12 August 2021
	XSS DOM Based - Eval	1% 2694	40		Ruulian		5	12 August 2021
	XSS DOM Based - Filters Bypass	1% 1401	50		Ruulian		7	12 August 2021
	XSS DOM Based - Introduction	2% 5652	35		Ruulian		4	12 August 2021

Challenge Results

Pseudo	Challenge	Lang	Date
mandarin	Javascript - Authentification		4 December 2024 at 13:38
mandarin	HTML - boutons désactivés		4 December 2024 at 13:34
Ed.	CSRF - 0 protection		4 December 2024 at 13:26
Mohamed Salah	XSS - Reflected		4 December 2024 at 13:11
aria	Javascript - Authentication 2		4 December 2024 at 12:59
aria	Javascript - Authentication		4 December 2024 at 12:57
Yoko	XSS DOM Based - AngularJS		4 December 2024 at 12:30
Test	Web Socket - 0 protection		4 December 2024 at 12:19
9adhib	Javascript - Obfuscation 2		4 December 2024 at 11:53
9adhib	Javascript - Obfuscation 1		4 December 2024 at 11:51