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
	Relative Path Overwrite	1% 146	50		Mizu		1	28 July 2023
	DOM Clobbering	1% 359	60		Mizu		1	8 April 2022
	HTML - disabled buttons	44% 153052	5		Final		10	16 July 2017
	Javascript - Obfuscation 1	39% 133773	10		Hel0ck		10	7 October 2006
	Javascript - Authentication	47% 161730	5		g0uZ		9	8 October 2006
	CSP Bypass - JSONP	1% 1375	45		CanardMandarin		5	27 October 2020
	XSS DOM Based - Filters Bypass	1% 1447	50		Ruulian		7	12 August 2021
	Javascript - Authentication 2	41% 141102	10		na5sim		4	3 February 2011
	Javascript - Obfuscation 2	33% 115672	10		Hel0ck		8	3 February 2011
	Javascript - Source	44% 153124	5		g0uZ		5	7 October 2006
	XSS - Stored 2	3% 9285	50		g0uZ		7	4 March 2012
	XSS DOM Based - Eval	1% 2780	40		Ruulian		5	12 August 2021
	CSP Bypass - Dangling markup	1% 1709	45		CanardMandarin		1	27 October 2020
	Same Origin Method Execution	1% 33	90		Mizu		0	28 July 2023
	CSP Bypass - Nonce	1% 952	50		Ruulian		4	8 April 2022
	Self XSS - DOM Secrets	1% 225	55		Mizu		3	28 July 2023
	XSS DOM Based - AngularJS	1% 2505	40		Ruulian		3	12 August 2021
	XSS DOM Based - Introduction	2% 5844	35		Ruulian		4	12 August 2021
	XS Leaks	1% 184	75		Mizu		1	8 April 2022
	CSP Bypass - Inline code	2% 5527	35		CanardMandarin		8	27 October 2020
	CSRF - 0 protection	6% 20497	35		sambecks		8	16 February 2016
	CSP Bypass - Nonce 2	1% 511	35		Ruulian		1	27 June 2023
	Browser - bfcache / disk cache	1% 54	65		Mizu		0	28 July 2023
	XSS - Stored 1	12% 40083	30		g0uZ		10	3 March 2012
	HTTP Response Splitting	1% 2399	70		Arod		3	7 November 2013
	CSPT - The Ruler	1% 18	60		Rolix , Mizu		0	27 September 2024
	CSRF - token bypass	3% 7293	45		sambecks		8	18 February 2016
	Javascript - Native code	25% 85843	15		g0uZ		8	13 March 2011
	XSS - Reflected	2% 6256	45		pickle		6	16 March 2018
	CSS - Exfiltration	1% 620	50		Forgi , gwel		1	8 April 2022
	Self XSS - Race Condition	1% 81	60		Mizu		1	28 July 2023
	Web Socket - 0 protection	1% 893	35		Worty		1	22 October 2021
	XSS - DOM Based	1% 849	85		vic		6	24 December 2016
	CSP Bypass - Dangling markup 2	1% 1399	50		CanardMandarin		1	27 October 2020
	Javascript - Obfuscation 6	1% 103	60		n3rada		0	27 April 2023
	XSS - Stored - filter bypass	1% 1494	80		Arod , sambecks		8	2 January 2016
	Javascript - Obfuscation 3	19% 63310	30		Hel0ck		10	4 February 2011
	AST - Deobfuscation	1% 1531	35		mhoste , Lxt3h		2	27 June 2023
	Javascript - Obfuscation 4	2% 6811	50		aaSSfxxx		5	18 July 2011
	Flash - Authentication	2% 6350	40		koma		1	18 June 2012
	Javascript - Webpack	8% 26489	15		CanardMandarin		3	11 August 2020
	Javascript - Obfuscation 5	1% 789	70		Hel0ck		3	4 February 2011

Challenge Results

Pseudo	Challenge	Lang	Date
Jeremy_D	Javascript - Native code		22 January 2025 at 01:22
83NJ1M0N	Javascript - Source		22 January 2025 at 00:59
83NJ1M0N	Javascript - Authentification		22 January 2025 at 00:51
83NJ1M0N	HTML - boutons désactivés		22 January 2025 at 00:43
mark_tven	Javascript - Webpack		22 January 2025 at 00:26
Ragnar	Javascript - Obfuscation 3		22 January 2025 at 00:08
Jeremy_D	Javascript - Obfuscation 2		22 January 2025 at 00:05
ladakh	Javascript - Webpack		21 January 2025 at 23:47
wael	Javascript - Source		21 January 2025 at 22:54
wael	Javascript - Authentication		21 January 2025 at 22:52