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% 1389	35		mhoste , Lxt3h		2	27 June 2023
	Browser - bfcache / disk cache	1% 47	65		Mizu		0	28 July 2023
	CSP Bypass - Dangling markup	1% 1669	45		CanardMandarin		1	27 October 2020
	CSP Bypass - Dangling markup 2	1% 1362	50		CanardMandarin		1	27 October 2020
	CSP Bypass - Inline code	2% 5383	35		CanardMandarin		8	27 October 2020
	CSP Bypass - JSONP	1% 1347	45		CanardMandarin		5	27 October 2020
	CSP Bypass - Nonce	1% 900	50		Ruulian		4	8 April 2022
	CSP Bypass - Nonce 2	1% 453	35		Ruulian		1	27 June 2023
	CSPT - The Ruler	1% 17	60		Rolix , Mizu		0	27 September 2024
	CSRF - 0 protection	6% 20225	35		sambecks		8	16 February 2016
	CSRF - token bypass	3% 7197	45		sambecks		8	18 February 2016
	CSS - Exfiltration	1% 600	50		Forgi , gwel		1	8 April 2022
	DOM Clobbering	1% 347	60		Mizu		1	8 April 2022
	Flash - Authentication	2% 6305	40		koma		1	18 June 2012
	HTML - disabled buttons	44% 150984	5		Final		10	16 July 2017
	HTTP Response Splitting	1% 2374	70		Arod		3	7 November 2013
	Javascript - Authentication	47% 159859	5		g0uZ		9	8 October 2006
	Javascript - Authentication 2	41% 139457	10		na5sim		4	3 February 2011
	Javascript - Native code	25% 84842	15		g0uZ		8	13 March 2011
	Javascript - Obfuscation 1	39% 132237	10		Hel0ck		10	7 October 2006
	Javascript - Obfuscation 2	34% 114310	10		Hel0ck		8	3 February 2011
	Javascript - Obfuscation 3	19% 62610	30		Hel0ck		10	4 February 2011
	Javascript - Obfuscation 4	2% 6730	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% 151362	5		g0uZ		5	7 October 2006
	Javascript - Webpack	8% 25900	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% 218	55		Mizu		3	28 July 2023
	Self XSS - Race Condition	1% 76	60		Mizu		1	28 July 2023
	Web Socket - 0 protection	1% 868	35		Worty		1	22 October 2021
	XS Leaks	1% 180	75		Mizu		1	8 April 2022
	XSS - DOM Based	1% 843	85		vic		6	24 December 2016
	XSS - Reflected	2% 6122	45		pickle		6	16 March 2018
	XSS - Stored - filter bypass	1% 1474	80		Arod , sambecks		8	2 January 2016
	XSS - Stored 1	12% 39458	30		g0uZ		10	3 March 2012
	XSS - Stored 2	3% 9130	50		g0uZ		7	4 March 2012
	XSS DOM Based - AngularJS	1% 2421	40		Ruulian		3	12 August 2021
	XSS DOM Based - Eval	1% 2684	40		Ruulian		5	12 August 2021
	XSS DOM Based - Filters Bypass	1% 1397	50		Ruulian		7	12 August 2021
	XSS DOM Based - Introduction	2% 5632	35		Ruulian		4	12 August 2021

Challenge Results

Pseudo	Challenge	Lang	Date
djila	HTML - boutons désactivés		29 November 2024 at 00:25
Nontenda	Javascript - Webpack		29 November 2024 at 00:15
Nelok	Javascript - Native code		29 November 2024 at 00:10
Nelok	Javascript - Obfuscation 3		29 November 2024 at 00:06
Nalisco	CSP Bypass - Nonce 2		29 November 2024 at 00:04
22002440N	Javascript - Obfuscation 3		28 November 2024 at 23:58
Guru	Javascript - Obfuscation 3		28 November 2024 at 23:53
Shydo	AST - Deobfuscation		28 November 2024 at 23:51
Luhko	XSS DOM Based - Filters Bypass		28 November 2024 at 23:48
joe haddad	Javascript - Obfuscation 2		28 November 2024 at 23:18