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
	AST - Deobfuscation	1% 832	35		mhoste , Lxt3h		2	27 June 2023
	Browser - bfcache / disk cache	1% 28	65		Mizu		0	28 July 2023
	CSP Bypass - Dangling markup	1% 1503	45		CanardMandarin		1	27 October 2020
	CSP Bypass - Dangling markup 2	1% 1188	50		CanardMandarin		1	27 October 2020
	CSP Bypass - Inline code	2% 4786	35		CanardMandarin		8	27 October 2020
	CSP Bypass - JSONP	1% 1205	45		CanardMandarin		5	27 October 2020
	CSP Bypass - Nonce	1% 725	50		Ruulian		4	8 April 2022
	CSP Bypass - Nonce 2	1% 247	35		Ruulian		1	27 June 2023
	CSRF - 0 protection	6% 19222	35		sambecks		8	16 February 2016
	CSRF - token bypass	3% 6809	45		sambecks		8	18 February 2016
	CSS - Exfiltration	1% 508	50		Forgi , gwel		1	8 April 2022
	DOM Clobbering	1% 293	60		Mizu		1	8 April 2022
	Flash - Authentication	2% 6106	40		koma		1	18 June 2012
	HTML - disabled buttons	44% 141449	5		Final		10	16 July 2017
	HTTP Response Splitting	1% 2253	70		Arod		3	7 November 2013
	Javascript - Authentication	47% 151137	5		g0uZ		9	8 October 2006
	Javascript - Authentication 2	41% 131769	10		na5sim		4	3 February 2011
	Javascript - Native code	25% 80138	15		g0uZ		8	13 March 2011
	Javascript - Obfuscation 1	39% 125013	10		Hel0ck		10	7 October 2006
	Javascript - Obfuscation 2	34% 107938	10		Hel0ck		8	3 February 2011
	Javascript - Obfuscation 3	19% 59413	30		Hel0ck		10	4 February 2011
	Javascript - Obfuscation 4	2% 6417	50		aaSSfxxx		5	18 July 2011
	Javascript - Obfuscation 5	1% 767	70		Hel0ck		3	4 February 2011
	Javascript - Obfuscation 6	1% 71	60		n3rada		0	27 April 2023
	Javascript - Source	44% 143102	5		g0uZ		5	7 October 2006
	Javascript - Webpack	8% 23467	15		CanardMandarin		3	11 August 2020
	Relative Path Overwrite	1% 76	50		Mizu		0	28 July 2023
	Same Origin Method Execution	1% 20	90		Mizu		0	28 July 2023
	Self XSS - DOM Secrets	1% 171	55		Mizu		3	28 July 2023
	Self XSS - Race Condition	1% 50	60		Mizu		0	28 July 2023
	Web Socket - 0 protection	1% 793	35		Worty		1	22 October 2021
	XS Leaks	1% 169	75		Mizu		1	8 April 2022
	XSS - DOM Based	1% 809	85		vic		6	24 December 2016
	XSS - Reflected	2% 5618	45		pickle		6	16 March 2018
	XSS - Stored - filter bypass	1% 1361	80		Arod , sambecks		8	2 January 2016
	XSS - Stored 1	12% 36829	30		g0uZ		10	3 March 2012
	XSS - Stored 2	3% 8495	50		g0uZ		7	4 March 2012
	XSS DOM Based - AngularJS	1% 2031	40		Ruulian		3	12 August 2021
	XSS DOM Based - Eval	1% 2233	40		Ruulian		5	12 August 2021
	XSS DOM Based - Filters Bypass	1% 1192	50		Ruulian		6	12 August 2021
	XSS DOM Based - Introduction	2% 4851	35		Ruulian		4	12 August 2021

Challenge Results

Pseudo	Challenge	Lang	Date
com30n	HTML - disabled buttons		16 April 2024 at 21:36
Simyal	Javascript - Native code		16 April 2024 at 21:21
Fabinoussh	CSP Bypass - Inline code		16 April 2024 at 21:14
Wayama__	Javascript - Obfuscation 1		16 April 2024 at 21:14
Paydiz	CSRF - 0 protection		16 April 2024 at 21:12
Wayama__	Javascript - Authentification 2		16 April 2024 at 21:03
Wayama__	Javascript - Source		16 April 2024 at 21:01
kr_iptun	Javascript - Native code		16 April 2024 at 20:59
Wayama__	Javascript - Authentification		16 April 2024 at 20:56
Wayama__	HTML - boutons désactivés		16 April 2024 at 20:54