File upload - Double extensions

20 Points

Gallery v0.02

Author

g0uZ, 24 December 2012

Level

Validations

35296 Challengers 10%

Note

1371 Votes

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Challenge Results

Pseudo	Challenge	Lang	Date
6o61o	File upload - Double extensions		24 March 2025 at 13:50
nakirrr	File upload - Double extensions		24 March 2025 at 11:36
kekodot	File upload - Double extensions		24 March 2025 at 09:23
Niklaus	File upload - Double extensions		24 March 2025 at 04:44
paul_brge	File upload - Double extensions		24 March 2025 at 01:21
keiz44l	File upload - Double extensions		23 March 2025 at 23:36
BDM	File upload - Double extensions		23 March 2025 at 20:25
Leyz	File upload - Double extensions		23 March 2025 at 16:23
__imHAX__	File upload - Double extensions		23 March 2025 at 14:00
Minosity	File upload - Double extensions		23 March 2025 at 10:44

96 Challenges

Results	Name	Validations	Number of points	Difficulty	Author	Note	Solution	Date
	HTML - Source code	48% 171575	5		g0uZ		5	3 October 2006
	HTTP - IP restriction bypass	9% 29946	10		Cyrhades		7	23 March 2021
	HTTP - Open redirect	19% 67541	10		Swissky		10	2 August 2017
	HTTP - User-agent	24% 84845	10		g0uZ		10	3 October 2006
	Weak password	31% 111049	10		g0uZ		7	3 October 2006
	PHP - Command injection	19% 67374	10		sambecks		10	20 September 2017
	API - Broken Access	2% 4931	15		Nishacid , Mika		3	18 January 2024
	Backup file	16% 54650	15		g0uZ		10	27 February 2011
	HTTP - Directory indexing	22% 78095	15		g0uZ		7	7 October 2006
	HTTP - Headers	16% 55136	15		Arod		9	11 January 2015
	HTTP - POST	14% 50072	15		Th1b4ud		10	14 August 2018
	HTTP - Improper redirect	12% 42970	15		Arod		10	26 November 2014
	HTTP - Verb tampering	14% 46742	15		g0uZ		10	3 February 2011
	Install files	13% 44165	15		g0uZ		6	7 October 2006
	Nginx - Alias Misconfiguration	1% 2444	15		.Yo0x		2	27 September 2024
	Nginx - Root Location Misconfiguration	1% 377	15		.Yo0x		0	27 September 2024
	API - Mass Assignment	1% 3085	20		Nishacid , Mika		2	18 January 2024
	CRLF	9% 32037	20		g0uZ		7	31 July 2011
	File upload - Double extensions	10% 35296	20		g0uZ		10	24 December 2012
	File upload - MIME type	8% 28361	20		g0uZ		10	26 December 2012
	Flask - Unsecure session	1% 2804	20		Sanlokii		1	29 November 2023
	GraphQL - Introspection	2% 3888	20		apges01		4	19 January 2023
	HTTP - Cookies	13% 46105	20		g0uZ		8	7 October 2006
	Insecure Code Management	4% 13987	20		Swissky		6	29 September 2019
	JWT - Introduction	5% 17604	20		Kn0wledge		5	21 August 2019
	XSS - Server Side	1% 2871	20		Elf		4	23 June 2023
	Directory traversal	10% 35680	25		g0uZ		3	31 July 2011
	File upload - Null byte	7% 24196	25		g0uZ		4	26 December 2012
	JWT - Revoked token	2% 6266	25		ArnC		6	20 March 2020
	JWT - Weak secret	4% 12208	25		Jrmbt		6	21 August 2019
	JWT - Unsecure File Signature	1% 2344	25		Nishacid , Mika		3	23 February 2023
	PHP - assert()	5% 15641	25		Birdy42		10	26 November 2016
	PHP - Apache configuration	1% 2519	25		erk3 , nemoz		4	8 July 2022
	PHP - Filters	6% 19906	25		g0uZ		3	27 February 2011
	PHP - register globals	5% 16029	25		g0uZ		2	8 October 2011
	PHP - Remote Xdebug	1% 1521	25		mayfly		4	18 March 2020
	Python - Server-side Template Injection Introduction	2% 4695	25		Podalirius		7	7 September 2021
	File upload - ZIP	3% 9738	30		ghozt		3	3 August 2017
	Flask - Development server	1% 1024	30		Sanlokii		1	29 November 2023
	GraphQL - Injection	1% 824	30		apges01		2	19 January 2023
	Command injection - Filter bypass	3% 7773	30		sambecks		6	20 September 2017
	Java - Server-side Template Injection	4% 10809	30		righettod		6	29 November 2015
	JWT - Public key	2% 3966	30		Jrmbt		5	21 August 2019
	JWT - Header Injection	1% 1272	30		Nishacid , Mika		2	23 February 2023
	Local File Inclusion	8% 25854	30		g0uZ		4	2 October 2011
	Local File Inclusion - Double encoding	4% 13018	30		zM_		4	13 June 2016
	Nginx - SSRF Misconfiguration	1% 129	30		.Yo0x		0	27 September 2024
	Node - Eval	1% 3022	30		Mhd_Root		7	24 February 2021
	PHP - Loose Comparison	3% 7385	30		ghozt		4	10 January 2018
	PHP - preg_replace()	3% 9151	30		sambecks		4	2 March 2016
	PHP - type juggling	3% 8984	30		vic		4	10 March 2016
	Remote File Inclusion	4% 11951	30		g0uZ		8	25 November 2015
	SQL injection - Authentication	14% 46671	30		g0uZ		11	27 February 2011
	SQL injection - Authentication - GBK	3% 9990	30		dvor4x		4	2 December 2015
	SQL injection - String	7% 22190	30		g0uZ		10	24 December 2012
	XSLT - Code execution	2% 3783	30		ghozt		5	16 July 2017
	Elixir - EEx	1% 294	35		lolo42		1	29 November 2023
	JWT - Unsecure Key Handling	1% 829	35		Nishacid , Mika		5	23 February 2023
	LDAP injection - Authentication	3% 10495	35		g0uZ		8	26 May 2013
	Node - Serialize	1% 1323	35		Mhd_Root		2	24 February 2021
	NoSQL injection - Authentication	3% 7805	35		mastho		8	31 May 2015
	PHP - Path Truncation	2% 5506	35		Geluchat		6	25 March 2015
	PHP - Serialization	2% 6810	35		Arod		3	3 February 2014
	SQL injection - Numeric	5% 15301	35		g0uZ		7	24 December 2012
	SQL Injection - Routed	2% 5508	35		soka		5	24 December 2016
	SQL Truncation	2% 6871	35		Geluchat		2	1 May 2015
	XML External Entity	2% 5726	35		sambecks		2	20 October 2014
	XPath injection - Authentication	2% 6705	35		g0uZ		6	27 December 2012
	Yaml - Deserialization	1% 1449	35		Nishacid		2	20 April 2021
	API - Broken Access 2	1% 524	40		Nishacid , Mika		1	18 January 2024
	GraphQL - Backend injection	1% 457	40		apges01		1	19 January 2023
	GraphQL - Mutation	1% 1603	40		CanardMandarin		2	20 October 2020
	Java - Spring Boot	1% 2378	40		dvor4x		3	24 December 2016
	Local File Inclusion - Wrappers	2% 3722	40		sambecks		4	2 March 2016
	PHP - Eval	2% 3699	40		chmod		10	8 November 2018
	PHP - Eval - Advanced filters bypass	1% 630	40		Podalirius		2	8 July 2022
	SQL injection - Error	3% 8021	40		sambecks		5	4 March 2015
	SQL injection - Insert	1% 3239	40		sambecks		4	23 February 2015
	SQL injection - File reading	2% 6041	40		Arod		3	19 October 2014
	XPath injection - String	2% 3991	40		g0uZ		5	26 May 2013
	File upload - Polyglot	1% 479	45		Cyxo		1	8 July 2022
	NodeJS - Prototype Pollution Bypass	1% 562	45		Worty		1	22 October 2021
	NoSQL injection - Blind	1% 3091	45		ghozt		6	26 November 2016
	SQL injection - Time based	2% 5900	45		ycam		4	11 September 2015
	Java - Custom gadget deserialization	1% 195	50		Elweth		0	28 December 2023
	NodeJS - vm escape	1% 779	50		Podalirius		1	15 April 2021
	Server Side Request Forgery	1% 1949	50		sambecks		7	22 June 2018
	SQL injection - Blind	3% 7819	50		g0uZ		6	27 February 2011
	LDAP injection - Blind	1% 3513	55		g0uZ		2	8 June 2013
	PHP - Unserialize overflow	1% 796	55		mayfly		2	4 April 2020
	PHP - Unserialize Pop Chain	1% 727	55		Worty		2	22 October 2021
	SQL Injection - Second Order	1% 233	55		k4ndar3c		1	29 November 2023
	Python - dotenv	1% 44	70		jrjgjk		0	27 September 2024
	Python - Blind SSTI Filters Bypass	1% 691	75		Podalirius		5	7 September 2021
	XPath injection - Blind	1% 2397	75		g0uZ		5	27 December 2012
	SQL injection - Filter bypass	1% 2995	80		sambecks		7	21 July 2014