JWT - Unsecure File Signature

25 Points

(K)ind (I)dentification (D)ance

Author

Nishacid, Mika, 23 February 2023

Level

Validations

2700 Challengers 1%

Note

144 Votes

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3 Solutions

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Challenge Results

Pseudo	Challenge	Lang	Date
Athenax	JWT - Unsecure File Signature		27 July 2025 at 22:48
Corpse	JWT - Unsecure File Signature		27 July 2025 at 17:18
PhoeniX	JWT - Unsecure File Signature		27 July 2025 at 16:40
gidfoxe	JWT - Unsecure File Signature		27 July 2025 at 12:40
Dz_Ghost1697	JWT - Unsecure File Signature		27 July 2025 at 01:45
nsiXo	JWT - Unsecure File Signature		26 July 2025 at 22:46
mushin	JWT - Unsecure File Signature		26 July 2025 at 19:50
bragdon	JWT - Unsecure File Signature		26 July 2025 at 11:46
z3_ayard	JWT - Unsecure File Signature		24 July 2025 at 23:20
camille	JWT - Unsecure File Signature		24 July 2025 at 14:10

97 Challenges

Results	Name	Validations ↓↑	Number of points	Difficulty	Author	Note	Solution	Date
	Ruby on Rails - ransack	1% 52	30		koma		0	23 June 2025
	Python - dotenv	1% 133	70		jrjgjk		1	27 September 2024
	Java - Custom gadget deserialization	1% 258	50		Elweth		0	28 December 2023
	SQL Injection - Second Order	1% 273	55		k4ndar3c		1	29 November 2023
	Elixir - EEx	1% 397	35		lolo42		1	29 November 2023
	Nginx - SSRF Misconfiguration	1% 399	30		.Yo0x		1	27 September 2024
	GraphQL - Backend injection	1% 515	40		apges01		1	19 January 2023
	File upload - Polyglot	1% 540	45		Cyxo		1	8 July 2022
	NodeJS - Prototype Pollution Bypass	1% 613	45		Worty		1	22 October 2021
	API - Broken Access 2	1% 656	40		Nishacid , Mika		1	18 January 2024
	PHP - Eval - Advanced filters bypass	1% 682	40		Podalirius		2	8 July 2022
	Python - Blind SSTI Filters Bypass	1% 740	75		Podalirius		5	7 September 2021
	PHP - Unserialize Pop Chain	1% 787	55		Worty		2	22 October 2021
	NodeJS - vm escape	1% 820	50		Podalirius		1	15 April 2021
	PHP - Unserialize overflow	1% 825	55		mayfly		2	4 April 2020
	GraphQL - Injection	1% 950	30		apges01		2	19 January 2023
	JWT - Unsecure Key Handling	1% 962	35		Nishacid , Mika		5	23 February 2023
	Flask - Development server	1% 1237	30		Sanlokii		1	29 November 2023
	Node - Serialize	1% 1418	35		Mhd_Root		2	24 February 2021
	JWT - Header Injection	1% 1457	30		Nishacid , Mika		2	23 February 2023
	Yaml - Deserialization	1% 1557	35		Nishacid		2	20 April 2021
	PHP - Remote Xdebug	1% 1586	25		mayfly		4	18 March 2020
	GraphQL - Mutation	1% 1671	40		CanardMandarin		2	20 October 2020
	Nginx - Root Location Misconfiguration	1% 1684	15		.Yo0x		1	27 September 2024
	Server Side Request Forgery	1% 2018	50		sambecks		7	22 June 2018
	Java - Spring Boot	1% 2432	40		dvor4x		3	24 December 2016
	XPath injection - Blind	1% 2483	75		g0uZ		5	27 December 2012
	JWT - Unsecure File Signature	1% 2694	25		Nishacid , Mika		3	23 February 2023
	PHP - Apache configuration	1% 2772	25		erk3 , nemoz		4	8 July 2022
	SQL injection - Filter bypass	1% 3123	80		sambecks		7	21 July 2014
	Node - Eval	1% 3172	30		Mhd_Root		7	24 February 2021
	NoSQL injection - Blind	1% 3196	45		ghozt		6	26 November 2016
	XSS - Server Side	1% 3260	20		Elf		4	23 June 2023
	Flask - Unsecure session	1% 3277	20		Sanlokii		1	29 November 2023
	SQL injection - Insert	1% 3335	40		sambecks		4	23 February 2015
	Nginx - Alias Misconfiguration	1% 3374	15		.Yo0x		3	27 September 2024
	LDAP injection - Blind	1% 3599	55		g0uZ		2	8 June 2013
	API - Mass Assignment	2% 3746	20		Nishacid , Mika		2	18 January 2024
	PHP - Eval	2% 3825	40		chmod		10	8 November 2018
	Local File Inclusion - Wrappers	2% 3852	40		sambecks		4	2 March 2016
	XSLT - Code execution	2% 3897	30		ghozt		5	16 July 2017
	XPath injection - String	2% 4086	40		g0uZ		5	26 May 2013
	JWT - Public key	2% 4170	30		Jrmbt		5	21 August 2019
	GraphQL - Introspection	2% 4300	20		apges01		4	19 January 2023
	Python - Server-side Template Injection Introduction	2% 5081	25		Podalirius		7	7 September 2021
	PHP - Path Truncation	2% 5634	35		Geluchat		6	25 March 2015
	SQL Injection - Routed	2% 5680	35		soka		5	24 December 2016
	XML External Entity	2% 5887	35		sambecks		2	20 October 2014
	SQL injection - Time based	2% 6081	45		ycam		4	11 September 2015
	API - Broken Access	2% 6144	15		Nishacid , Mika		4	18 January 2024
	SQL injection - File reading	2% 6164	40		Arod		3	19 October 2014
	JWT - Revoked token	2% 6656	25		ArnC		6	20 March 2020
	XPath injection - Authentication	2% 6870	35		g0uZ		6	27 December 2012
	PHP - Serialization	2% 7000	35		Arod		3	3 February 2014
	SQL Truncation	2% 7074	35		Geluchat		2	1 May 2015
	PHP - Loose Comparison	3% 7585	30		ghozt		4	10 January 2018
	Command injection - Filter bypass	3% 8029	30		sambecks		6	20 September 2017
	NoSQL injection - Authentication	3% 8039	35		mastho		8	31 May 2015
	SQL injection - Blind	3% 8042	50		g0uZ		6	27 February 2011
	SQL injection - Error	3% 8371	40		sambecks		5	4 March 2015
	PHP - type juggling	3% 9175	30		vic		4	10 March 2016
	PHP - preg_replace()	3% 9394	30		sambecks		4	2 March 2016
	File upload - ZIP	3% 10085	30		ghozt		3	3 August 2017
	SQL injection - Authentication - GBK	3% 10299	30		dvor4x		4	2 December 2015
	LDAP injection - Authentication	3% 10752	35		g0uZ		8	26 May 2013
	Java - Server-side Template Injection	4% 11183	30		righettod		6	29 November 2015
	Remote File Inclusion	4% 12257	30		g0uZ		8	25 November 2015
	JWT - Weak secret	4% 12803	25		Jrmbt		7	21 August 2019
	Local File Inclusion - Double encoding	4% 13368	30		zM_		4	13 June 2016
	Insecure Code Management	4% 14469	20		Swissky		6	29 September 2019
	SQL injection - Numeric	5% 15796	35		g0uZ		7	24 December 2012
	PHP - assert()	5% 16089	25		Birdy42		10	26 November 2016
	PHP - register globals	5% 16401	25		g0uZ		2	8 October 2011
	JWT - Introduction	5% 18400	20		Kn0wledge		5	21 August 2019
	PHP - Filters	6% 20390	25		g0uZ		3	27 February 2011
	SQL injection - String	7% 22789	30		g0uZ		10	24 December 2012
	File upload - Null byte	7% 24841	25		g0uZ		4	26 December 2012
	Local File Inclusion	8% 26391	30		g0uZ		4	2 October 2011
	File upload - MIME type	8% 29184	20		g0uZ		10	26 December 2012
	HTTP - IP restriction bypass	9% 31960	10		Cyrhades		8	23 March 2021
	CRLF	9% 32670	20		g0uZ		7	31 July 2011
	File upload - Double extensions	10% 36174	20		g0uZ		10	24 December 2012
	Directory traversal	10% 36601	25		g0uZ		3	31 July 2011
	HTTP - Improper redirect	12% 44060	15		Arod		10	26 November 2014
	Install files	13% 45200	15		g0uZ		7	7 October 2006
	HTTP - Cookies	13% 47159	20		g0uZ		8	7 October 2006
	SQL injection - Authentication	13% 47862	30		g0uZ		11	27 February 2011
	HTTP - Verb tampering	13% 47874	15		g0uZ		10	3 February 2011
	HTTP - POST	14% 51509	15		Th1b4ud		10	14 August 2018
	Backup file	16% 55882	15		g0uZ		10	27 February 2011
	HTTP - Headers	16% 56558	15		Arod		9	11 January 2015
	HTTP - Open redirect	19% 69330	10		Swissky		10	2 August 2017
	PHP - Command injection	19% 69484	10		sambecks		10	20 September 2017
	HTTP - Directory indexing	22% 79792	15		g0uZ		7	7 October 2006
	HTTP - User-agent	24% 87018	10		g0uZ		10	3 October 2006
	Weak password	31% 113524	10		g0uZ		7	3 October 2006
	HTML - Source code	48% 175703	5		g0uZ		6	3 October 2006