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
	XSS - Stored 1	12% 38505	30		g0uZ		10	3 March 2012
	Javascript - Source	44% 148188	5		g0uZ		5	7 October 2006
	Javascript - Native code	25% 83221	15		g0uZ		8	13 March 2011
	Javascript - Authentication	47% 156528	5		g0uZ		9	8 October 2006
	XSS - Stored 2	3% 8886	50		g0uZ		7	4 March 2012
	Javascript - Obfuscation 1	39% 129509	10		Hel0ck		10	7 October 2006
	Javascript - Obfuscation 2	34% 111892	10		Hel0ck		8	3 February 2011
	Javascript - Obfuscation 3	19% 61499	30		Hel0ck		10	4 February 2011
	Javascript - Obfuscation 5	1% 781	70		Hel0ck		3	4 February 2011
	Javascript - Authentication 2	41% 136521	10		na5sim		4	3 February 2011
	HTTP Response Splitting	1% 2343	70		Arod		3	7 November 2013
	Javascript - Obfuscation 4	2% 6595	50		aaSSfxxx		5	18 July 2011
	Flash - Authentication	2% 6235	40		koma		1	18 June 2012
	CSRF - token bypass	3% 7053	45		sambecks		8	18 February 2016
	CSRF - 0 protection	6% 19846	35		sambecks		8	16 February 2016
	XSS - DOM Based	1% 834	85		vic		6	24 December 2016
	HTML - disabled buttons	44% 147394	5		Final		10	16 July 2017
	XSS - Reflected	2% 5944	45		pickle		6	16 March 2018
	CSP Bypass - Dangling markup 2	1% 1305	50		CanardMandarin		1	27 October 2020
	CSP Bypass - JSONP	1% 1289	45		CanardMandarin		5	27 October 2020
	CSP Bypass - Dangling markup	1% 1601	45		CanardMandarin		1	27 October 2020
	Javascript - Webpack	8% 24989	15		CanardMandarin		3	11 August 2020
	CSP Bypass - Inline code	2% 5146	35		CanardMandarin		8	27 October 2020
	Web Socket - 0 protection	1% 839	35		Worty		1	22 October 2021
	DOM Clobbering	1% 331	60		Mizu		1	8 April 2022
	XS Leaks	1% 179	75		Mizu		1	8 April 2022
	Browser - bfcache / disk cache	1% 45	65		Mizu		0	28 July 2023
	Self XSS - Race Condition	1% 74	60		Mizu		1	28 July 2023
	Self XSS - DOM Secrets	1% 204	55		Mizu		3	28 July 2023
	Relative Path Overwrite	1% 117	50		Mizu		0	28 July 2023
	Same Origin Method Execution	1% 31	90		Mizu		0	28 July 2023
	XSS DOM Based - Filters Bypass	1% 1315	50		Ruulian		6	12 August 2021
	XSS DOM Based - Eval	1% 2523	40		Ruulian		5	12 August 2021
	CSP Bypass - Nonce 2	1% 371	35		Ruulian		1	27 June 2023
	CSP Bypass - Nonce	1% 828	50		Ruulian		4	8 April 2022
	XSS DOM Based - Introduction	2% 5364	35		Ruulian		4	12 August 2021
	XSS DOM Based - AngularJS	1% 2289	40		Ruulian		3	12 August 2021
	Javascript - Obfuscation 6	1% 95	60		n3rada		0	27 April 2023
	XSS - Stored - filter bypass	1% 1425	80		Arod , sambecks		8	2 January 2016
	CSS - Exfiltration	1% 562	50		Forgi , gwel		1	8 April 2022
	AST - Deobfuscation	1% 1155	35		mhoste , Lxt3h		2	27 June 2023

Challenge Results

Pseudo	Challenge	Lang	Date
llama	Javascript - Authentication 2		28 September 2024 at 17:05
llama	Javascript - Source		28 September 2024 at 17:03
llama	Javascript - Authentication		28 September 2024 at 16:59
llama	HTML - disabled buttons		28 September 2024 at 16:52
Thet Paing	Javascript - Authentication		28 September 2024 at 16:19
CestVianney	Flash - Authentification		28 September 2024 at 16:10
codeninja	Javascript - Native code		28 September 2024 at 16:06
Pseudo91	HTML - boutons désactivés		28 September 2024 at 16:03
codeninja	HTML - boutons désactivés		28 September 2024 at 15:58
real_whity	Javascript - Webpack		28 September 2024 at 15:50