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% 146997	5		Final		10	16 July 2017
	Javascript - Obfuscation 1	39% 129225	10		Hel0ck		10	7 October 2006
	XSS - Stored 1	12% 38420	30		g0uZ		10	3 March 2012
	Javascript - Obfuscation 3	19% 61375	30		Hel0ck		10	4 February 2011
	Javascript - Authentication	47% 156185	5		g0uZ		9	8 October 2006
	XSS - Stored - filter bypass	1% 1425	80		Arod , sambecks		8	2 January 2016
	Javascript - Obfuscation 2	34% 111636	10		Hel0ck		8	3 February 2011
	Javascript - Native code	25% 83040	15		g0uZ		8	13 March 2011
	CSP Bypass - Inline code	2% 5126	35		CanardMandarin		8	27 October 2020
	CSRF - 0 protection	6% 19823	35		sambecks		8	16 February 2016
	CSRF - token bypass	3% 7040	45		sambecks		8	18 February 2016
	XSS - Stored 2	3% 8873	50		g0uZ		7	4 March 2012
	XSS DOM Based - Filters Bypass	1% 1309	50		Ruulian		6	12 August 2021
	XSS - DOM Based	1% 834	85		vic		6	24 December 2016
	XSS - Reflected	2% 5932	45		pickle		6	16 March 2018
	XSS DOM Based - Eval	1% 2510	40		Ruulian		5	12 August 2021
	Javascript - Obfuscation 4	2% 6590	50		aaSSfxxx		5	18 July 2011
	CSP Bypass - JSONP	1% 1287	45		CanardMandarin		5	27 October 2020
	Javascript - Source	44% 147853	5		g0uZ		5	7 October 2006
	XSS DOM Based - Introduction	2% 5338	35		Ruulian		4	12 August 2021
	Javascript - Authentication 2	41% 136203	10		na5sim		4	3 February 2011
	CSP Bypass - Nonce	1% 823	50		Ruulian		4	8 April 2022
	XSS DOM Based - AngularJS	1% 2275	40		Ruulian		3	12 August 2021
	Self XSS - DOM Secrets	1% 202	55		Mizu		3	28 July 2023
	Javascript - Obfuscation 5	1% 781	70		Hel0ck		3	4 February 2011
	HTTP Response Splitting	1% 2340	70		Arod		3	7 November 2013
	Javascript - Webpack	8% 24903	15		CanardMandarin		3	11 August 2020
	AST - Deobfuscation	1% 1128	35		mhoste , Lxt3h		2	27 June 2023
	CSP Bypass - Dangling markup	1% 1598	45		CanardMandarin		1	27 October 2020
	CSP Bypass - Nonce 2	1% 367	35		Ruulian		1	27 June 2023
	DOM Clobbering	1% 330	60		Mizu		1	8 April 2022
	Self XSS - Race Condition	1% 72	60		Mizu		1	28 July 2023
	CSS - Exfiltration	1% 561	50		Forgi , gwel		1	8 April 2022
	CSP Bypass - Dangling markup 2	1% 1302	50		CanardMandarin		1	27 October 2020
	XS Leaks	1% 179	75		Mizu		1	8 April 2022
	Web Socket - 0 protection	1% 839	35		Worty		1	22 October 2021
	Flash - Authentication	2% 6232	40		koma		1	18 June 2012
	Relative Path Overwrite	1% 117	50		Mizu		0	28 July 2023
	Javascript - Obfuscation 6	1% 94	60		n3rada		0	27 April 2023
	Browser - bfcache / disk cache	1% 45	65		Mizu		0	28 July 2023
	Same Origin Method Execution	1% 30	90		Mizu		0	28 July 2023

Challenge Results

Pseudo	Challenge	Lang	Date
opezdal	HTML - disabled buttons		19 September 2024 at 03:59
yava	Javascript - Webpack		19 September 2024 at 03:13
Thalantas	CSRF - contournement de jeton		19 September 2024 at 02:11
stckr	XSS - Stockée 1		19 September 2024 at 02:11
talmoroc	Javascript - Native code		19 September 2024 at 01:51
matth200	CSP Bypass - Inline code		19 September 2024 at 01:35
talmoroc	Javascript - Obfuscation 2		19 September 2024 at 01:04
stckr	Javascript - Obfuscation 3		19 September 2024 at 00:57
stckr	Javascript - Webpack		19 September 2024 at 00:43
DarkGuardian66	Javascript - Native code		19 September 2024 at 00:27