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

41 Challenges

Results	Name	Validations	Number of points	Difficulty	Author	Note	Solution	Date
	HTML - disabled buttons	44% 144020	5		Final		10	16 July 2017
	Javascript - Authentication	47% 153490	5		g0uZ		9	8 October 2006
	Javascript - Source	44% 145340	5		g0uZ		5	7 October 2006
	Javascript - Authentication 2	41% 133834	10		na5sim		4	3 February 2011
	Javascript - Obfuscation 1	39% 126979	10		Hel0ck		10	7 October 2006
	Javascript - Obfuscation 2	34% 109650	10		Hel0ck		8	3 February 2011
	Javascript - Native code	25% 81523	15		g0uZ		8	13 March 2011
	Javascript - Webpack	8% 24133	15		CanardMandarin		3	11 August 2020
	Javascript - Obfuscation 3	19% 60403	30		Hel0ck		10	4 February 2011
	XSS - Stored 1	12% 37538	30		g0uZ		10	3 March 2012
	AST - Deobfuscation	1% 954	35		mhoste , Lxt3h		2	27 June 2023
	CSP Bypass - Inline code	2% 4933	35		CanardMandarin		8	27 October 2020
	CSP Bypass - Nonce 2	1% 299	35		Ruulian		1	27 June 2023
	CSRF - 0 protection	6% 19498	35		sambecks		8	16 February 2016
	Web Socket - 0 protection	1% 813	35		Worty		1	22 October 2021
	XSS DOM Based - Introduction	2% 5086	35		Ruulian		4	12 August 2021
	Flash - Authentication	2% 6185	40		koma		1	18 June 2012
	XSS DOM Based - AngularJS	1% 2147	40		Ruulian		3	12 August 2021
	XSS DOM Based - Eval	1% 2363	40		Ruulian		5	12 August 2021
	CSP Bypass - Dangling markup	1% 1544	45		CanardMandarin		1	27 October 2020
	CSP Bypass - JSONP	1% 1243	45		CanardMandarin		5	27 October 2020
	CSRF - token bypass	3% 6920	45		sambecks		8	18 February 2016
	XSS - Reflected	2% 5756	45		pickle		6	16 March 2018
	CSP Bypass - Dangling markup 2	1% 1249	50		CanardMandarin		1	27 October 2020
	CSP Bypass - Nonce	1% 772	50		Ruulian		4	8 April 2022
	CSS - Exfiltration	1% 539	50		Forgi , gwel		1	8 April 2022
	Javascript - Obfuscation 4	2% 6496	50		aaSSfxxx		5	18 July 2011
	Relative Path Overwrite	1% 97	50		Mizu		0	28 July 2023
	XSS - Stored 2	3% 8680	50		g0uZ		7	4 March 2012
	XSS DOM Based - Filters Bypass	1% 1236	50		Ruulian		6	12 August 2021
	Self XSS - DOM Secrets	1% 183	55		Mizu		3	28 July 2023
	DOM Clobbering	1% 310	60		Mizu		1	8 April 2022
	Javascript - Obfuscation 6	1% 80	60		n3rada		0	27 April 2023
	Self XSS - Race Condition	1% 57	60		Mizu		0	28 July 2023
	Browser - bfcache / disk cache	1% 30	65		Mizu		0	28 July 2023
	HTTP Response Splitting	1% 2303	70		Arod		3	7 November 2013
	Javascript - Obfuscation 5	1% 770	70		Hel0ck		3	4 February 2011
	XS Leaks	1% 171	75		Mizu		1	8 April 2022
	XSS - Stored - filter bypass	1% 1386	80		Arod , sambecks		8	2 January 2016
	XSS - DOM Based	1% 817	85		vic		6	24 December 2016
	Same Origin Method Execution	1% 21	90		Mizu		0	28 July 2023

Challenge Results

Pseudo	Challenge	Lang	Date
Cancun	Javascript - Obfuscation 1		17 June 2024 at 23:47
spikeroot	CSS - Exfiltration		17 June 2024 at 23:46
Cancun	Javascript - Source		17 June 2024 at 23:46
Cancun	Javascript - Authentification		17 June 2024 at 23:45
Cancun	HTML - boutons désactivés		17 June 2024 at 23:42
math_e	Javascript - Obfuscation 3		17 June 2024 at 23:01
math_e	Javascript - Native code		17 June 2024 at 22:56
math_e	Javascript - Obfuscation 2		17 June 2024 at 22:49
math_e	Javascript - Obfuscation 1		17 June 2024 at 22:46
math_e	Javascript - Authentification 2		17 June 2024 at 22:45