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
	HTML - disabled buttons	44% 150697	5		Final		10	16 July 2017
	Javascript - Source	44% 151108	5		g0uZ		5	7 October 2006
	Javascript - Authentication 2	41% 139212	10		na5sim		4	3 February 2011
	Javascript - Obfuscation 1	39% 131984	10		Hel0ck		10	7 October 2006
	Javascript - Obfuscation 2	34% 114086	10		Hel0ck		8	3 February 2011
	Javascript - Authentication	47% 159596	5		g0uZ		9	8 October 2006
	Javascript - Native code	25% 84705	15		g0uZ		8	13 March 2011
	Javascript - Webpack	8% 25829	15		CanardMandarin		3	11 August 2020
	XSS DOM Based - Eval	1% 2674	40		Ruulian		5	12 August 2021
	XSS DOM Based - Filters Bypass	1% 1394	50		Ruulian		7	12 August 2021
	XSS - Stored 2	3% 9114	50		g0uZ		7	4 March 2012
	Javascript - Obfuscation 4	2% 6723	50		aaSSfxxx		5	18 July 2011
	CSP Bypass - Dangling markup 2	1% 1356	50		CanardMandarin		1	27 October 2020
	XSS - Reflected	2% 6113	45		pickle		6	16 March 2018
	CSP Bypass - JSONP	1% 1344	45		CanardMandarin		5	27 October 2020
	CSP Bypass - Dangling markup	1% 1665	45		CanardMandarin		1	27 October 2020
	CSRF - token bypass	3% 7182	45		sambecks		8	18 February 2016
	XSS DOM Based - AngularJS	1% 2415	40		Ruulian		3	12 August 2021
	CSP Bypass - Inline code	2% 5363	35		CanardMandarin		8	27 October 2020
	Flash - Authentication	2% 6301	40		koma		1	18 June 2012
	XSS - Stored 1	12% 39395	30		g0uZ		10	3 March 2012
	AST - Deobfuscation	1% 1376	35		mhoste , Lxt3h		2	27 June 2023
	Javascript - Obfuscation 3	19% 62506	30		Hel0ck		10	4 February 2011
	CSP Bypass - Nonce 2	1% 448	35		Ruulian		1	27 June 2023
	CSRF - 0 protection	6% 20204	35		sambecks		8	16 February 2016
	Web Socket - 0 protection	1% 867	35		Worty		1	22 October 2021
	XSS DOM Based - Introduction	2% 5611	35		Ruulian		4	12 August 2021
	Browser - bfcache / disk cache	1% 47	65		Mizu		0	28 July 2023
	XSS - DOM Based	1% 842	85		vic		6	24 December 2016
	XSS - Stored - filter bypass	1% 1472	80		Arod , sambecks		8	2 January 2016
	XS Leaks	1% 180	75		Mizu		1	8 April 2022
	Javascript - Obfuscation 5	1% 785	70		Hel0ck		3	4 February 2011
	HTTP Response Splitting	1% 2371	70		Arod		3	7 November 2013
	DOM Clobbering	1% 345	60		Mizu		1	8 April 2022
	Self XSS - Race Condition	1% 76	60		Mizu		1	28 July 2023
	Javascript - Obfuscation 6	1% 100	60		n3rada		0	27 April 2023
	CSP Bypass - Nonce	1% 895	50		Ruulian		4	8 April 2022
	CSPT - The Ruler	1% 17	60		Rolix , Mizu		0	27 September 2024
	Self XSS - DOM Secrets	1% 216	55		Mizu		3	28 July 2023
	Relative Path Overwrite	1% 140	50		Mizu		1	28 July 2023
	CSS - Exfiltration	1% 598	50		Forgi , gwel		1	8 April 2022
	Same Origin Method Execution	1% 31	90		Mizu		0	28 July 2023

Challenge Results

Pseudo	Challenge	Lang	Date
patcho55	Javascript - Authentification		22 November 2024 at 23:04
kukishere	Javascript - Native code		22 November 2024 at 22:59
kukishere	Javascript - Obfuscation 2		22 November 2024 at 22:57
kukishere	Javascript - Obfuscation 1		22 November 2024 at 22:54
patcho55	HTML - boutons désactivés		22 November 2024 at 22:53
kukishere	Javascript - Authentication 2		22 November 2024 at 22:50
kukishere	Javascript - Source		22 November 2024 at 22:48
kukishere	Javascript - Authentication		22 November 2024 at 22:48
kukishere	HTML - disabled buttons		22 November 2024 at 22:46
MYASS	Javascript - Obfuscation 2		22 November 2024 at 22:44