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% 141589	5		Final		10	16 July 2017
	Self XSS - DOM Secrets	1% 171	55		Mizu		3	28 July 2023
	CSP Bypass - Dangling markup 2	1% 1192	50		CanardMandarin		1	27 October 2020
	CSP Bypass - Nonce	1% 726	50		Ruulian		4	8 April 2022
	CSS - Exfiltration	1% 510	50		Forgi , gwel		1	8 April 2022
	Javascript - Obfuscation 4	2% 6423	50		aaSSfxxx		5	18 July 2011
	Relative Path Overwrite	1% 76	50		Mizu		0	28 July 2023
	XSS - Stored 2	3% 8505	50		g0uZ		7	4 March 2012
	XSS DOM Based - Filters Bypass	1% 1195	50		Ruulian		6	12 August 2021
	DOM Clobbering	1% 293	60		Mizu		1	8 April 2022
	CSRF - token bypass	3% 6813	45		sambecks		8	18 February 2016
	Javascript - Obfuscation 6	1% 72	60		n3rada		0	27 April 2023
	Self XSS - Race Condition	1% 52	60		Mizu		0	28 July 2023
	Browser - bfcache / disk cache	1% 29	65		Mizu		0	28 July 2023
	HTTP Response Splitting	1% 2255	70		Arod		3	7 November 2013
	Javascript - Obfuscation 5	1% 767	70		Hel0ck		3	4 February 2011
	XS Leaks	1% 169	75		Mizu		1	8 April 2022
	XSS - Stored - filter bypass	1% 1362	80		Arod , sambecks		8	2 January 2016
	XSS - DOM Based	1% 809	85		vic		6	24 December 2016
	XSS - Reflected	2% 5622	45		pickle		6	16 March 2018
	CSP Bypass - JSONP	1% 1207	45		CanardMandarin		5	27 October 2020
	Javascript - Authentication	47% 151275	5		g0uZ		9	8 October 2006
	XSS - Stored 1	12% 36865	30		g0uZ		10	3 March 2012
	Javascript - Source	44% 143228	5		g0uZ		5	7 October 2006
	Javascript - Authentication 2	41% 131891	10		na5sim		4	3 February 2011
	Javascript - Obfuscation 1	39% 125120	10		Hel0ck		10	7 October 2006
	Javascript - Obfuscation 2	34% 108033	10		Hel0ck		8	3 February 2011
	Javascript - Native code	25% 80217	15		g0uZ		8	13 March 2011
	Javascript - Webpack	8% 23503	15		CanardMandarin		3	11 August 2020
	Javascript - Obfuscation 3	19% 59462	30		Hel0ck		10	4 February 2011
	AST - Deobfuscation	1% 844	35		mhoste , Lxt3h		2	27 June 2023
	CSP Bypass - Dangling markup	1% 1505	45		CanardMandarin		1	27 October 2020
	CSP Bypass - Inline code	2% 4795	35		CanardMandarin		8	27 October 2020
	CSP Bypass - Nonce 2	1% 250	35		Ruulian		1	27 June 2023
	CSRF - 0 protection	6% 19232	35		sambecks		8	16 February 2016
	Web Socket - 0 protection	1% 795	35		Worty		1	22 October 2021
	XSS DOM Based - Introduction	2% 4858	35		Ruulian		4	12 August 2021
	Flash - Authentication	2% 6109	40		koma		1	18 June 2012
	XSS DOM Based - AngularJS	1% 2033	40		Ruulian		3	12 August 2021
	XSS DOM Based - Eval	1% 2238	40		Ruulian		5	12 August 2021
	Same Origin Method Execution	1% 20	90		Mizu		0	28 July 2023

Challenge Results

Pseudo	Challenge	Lang	Date
dauren016	Javascript - Obfuscation 2		20 April 2024 at 00:16
dauren016	Javascript - Obfuscation 1		20 April 2024 at 00:10
Wwk	XSS - Stockée 1		20 April 2024 at 00:10
rodgef	HTML - disabled buttons		19 April 2024 at 23:47
Florian	XSS - Stockée 1		19 April 2024 at 23:14
Drost	AST - Deobfuscation		19 April 2024 at 23:13
Mohammad Awad	Javascript - Obfuscation 3		19 April 2024 at 23:04
Luïs	Javascript - Obfuscation 2		19 April 2024 at 23:03
Soney	Javascript - Obfuscation 3		19 April 2024 at 23:02
sfortine	Javascript - Obfuscation 3		19 April 2024 at 23:01