Web - Server Web - Server

Discover the mechanisms, protocols and technologies used on the Internet and learn to abuse them!

These challenges are designed to train users on HTML, HTTP and other server side mechanisms. The following series of challenges will cultivate a better understanding of techniques such as : Basic workings of multiple authentication mechanisms, handling form data, inner workings of web applications, etc. ...

Prerequisites:
– Understand HTML.
– Understand the HTTP protocol.
– Ability to manipulate a web browser.

challenges 92 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide HTML - Source code 49% 158233 5 g0uZ 5 3 October 2006
pas_valide HTTP - IP restriction bypass 8% 24121 10 Cyrhades 7 23 March 2021
pas_valide HTTP - Open redirect 19% 61963 10 Swissky 10 2 August 2017
pas_valide HTTP - User-agent 24% 78154 10 g0uZ 10 3 October 2006
pas_valide Weak password 32% 103144 10 g0uZ 7 3 October 2006
pas_valide PHP - Command injection 19% 61377 10 sambecks 10 20 September 2017
pas_valide API - Broken Access 1% 1678 15 Nishacid , Mika 2 18 January 2024
pas_valide Backup file 16% 51427 15 g0uZ 10 27 February 2011
pas_valide HTTP - Directory indexing 23% 72730 15 g0uZ 7 7 October 2006
pas_valide HTTP - Headers 16% 51272 15 Arod 9 11 January 2015
pas_valide HTTP - POST 14% 45862 15 Th1b4ud 10 14 August 2018
pas_valide HTTP - Improper redirect 13% 39861 15 Arod 10 26 November 2014
pas_valide HTTP - Verb tampering 14% 43485 15 g0uZ 10 3 February 2011
pas_valide Install files 13% 41207 15 g0uZ 6 7 October 2006
pas_valide API - Mass Assignment 1% 1154 20 Nishacid , Mika 2 18 January 2024
pas_valide CRLF 10% 30030 20 g0uZ 7 31 July 2011
pas_valide File upload - Double extensions 11% 32907 20 g0uZ 10 24 December 2012
pas_valide File upload - MIME type 8% 26246 20 g0uZ 10 26 December 2012
pas_valide Flask - Unsecure session 1% 1416 20 Sanlokii 1 29 November 2023
pas_valide GraphQL - Introspection 1% 2855 20 apges01 4 19 January 2023
pas_valide HTTP - Cookies 14% 42917 20 g0uZ 8 7 October 2006
pas_valide Insecure Code Management 4% 12593 20 Swissky 6 29 September 2019
pas_valide JWT - Introduction 5% 15587 20 Kn0wledge 5 21 August 2019
pas_valide XSS - Server Side 1% 1773 20 Elf 3 23 June 2023
pas_valide Directory traversal 11% 33276 25 g0uZ 3 31 July 2011
pas_valide File upload - Null byte 7% 22478 25 g0uZ 4 26 December 2012
pas_valide JWT - Revoked token 2% 5292 25 ArnC 6 20 March 2020
pas_valide JWT - Weak secret 4% 10771 25 Jrmbt 6 21 August 2019
pas_valide JWT - Unsecure File Signature 1% 1548 25 Nishacid , Mika 3 23 February 2023
pas_valide PHP - assert() 5% 14532 25 Birdy42 10 26 November 2016
pas_valide PHP - Apache configuration 1% 1908 25 erk3 , nemoz 3 8 July 2022
pas_valide PHP - Filters 6% 18667 25 g0uZ 3 27 February 2011
pas_valide PHP - register globals 5% 15021 25 g0uZ 2 8 October 2011
pas_valide PHP - Remote Xdebug 1% 1360 25 mayfly 4 18 March 2020
pas_valide Python - Server-side Template Injection Introduction 2% 3847 25 Podalirius 7 7 September 2021
pas_valide File upload - ZIP 3% 8924 30 ghozt 3 3 August 2017
pas_valide Flask - Development server 1% 511 30 Sanlokii 1 29 November 2023
pas_valide GraphQL - Injection 1% 556 30 apges01 2 19 January 2023
pas_valide Command injection - Filter bypass 3% 7181 30 sambecks 6 20 September 2017
pas_valide Java - Server-side Template Injection 4% 10054 30 righettod 6 29 November 2015
pas_valide JWT - Public key 2% 3469 30 Jrmbt 5 21 August 2019
pas_valide JWT - Header Injection 1% 874 30 Nishacid , Mika 2 23 February 2023
pas_valide Local File Inclusion 8% 24272 30 g0uZ 4 2 October 2011
pas_valide Local File Inclusion - Double encoding 4% 12176 30 zM_ 4 13 June 2016
pas_valide Node - Eval 1% 2597 30 Mhd_Root 7 24 February 2021
pas_valide PHP - Loose Comparison 3% 6885 30 ghozt 4 10 January 2018
pas_valide PHP - preg_replace() 3% 8637 30 sambecks 4 2 March 2016
pas_valide PHP - type juggling 3% 8462 30 vic 4 10 March 2016
pas_valide Remote File Inclusion 4% 11217 30 g0uZ 8 25 November 2015
pas_valide SQL injection - Authentication 14% 43100 30 g0uZ 11 27 February 2011
pas_valide SQL injection - Authentication - GBK 3% 9051 30 dvor4x 4 2 December 2015
pas_valide SQL injection - String 7% 20431 30 g0uZ 10 24 December 2012
pas_valide XSLT - Code execution 2% 3515 30 ghozt 5 16 July 2017
pas_valide Elixir - EEx 1% 159 35 lolo42 1 29 November 2023
pas_valide JWT - Unsecure Key Handling 1% 593 35 Nishacid , Mika 5 23 February 2023
pas_valide LDAP injection - Authentication 3% 9788 35 g0uZ 8 26 May 2013
pas_valide Node - Serialize 1% 1140 35 Mhd_Root 2 24 February 2021
pas_valide NoSQL injection - Authentication 3% 7344 35 mastho 8 31 May 2015
pas_valide PHP - Path Truncation 2% 5200 35 Geluchat 6 25 March 2015
pas_valide PHP - Serialization 2% 6460 35 Arod 3 3 February 2014
pas_valide SQL injection - Numeric 5% 14040 35 g0uZ 7 24 December 2012
pas_valide SQL Injection - Routed 2% 4946 35 soka 5 24 December 2016
pas_valide SQL Truncation 2% 6271 35 Geluchat 2 1 May 2015
pas_valide XML External Entity 2% 5250 35 sambecks 2 20 October 2014
pas_valide XPath injection - Authentication 2% 6299 35 g0uZ 6 27 December 2012
pas_valide Yaml - Deserialization 1% 1239 35 Nishacid 2 20 April 2021
pas_valide API - Broken Access 2 1% 68 40 Nishacid , Mika 1 18 January 2024
pas_valide GraphQL - Backend injection 1% 326 40 apges01 1 19 January 2023
pas_valide GraphQL - Mutation 1% 1461 40 CanardMandarin 2 20 October 2020
pas_valide Java - Spring Boot 1% 2223 40 dvor4x 3 24 December 2016
pas_valide Local File Inclusion - Wrappers 2% 3449 40 sambecks 4 2 March 2016
pas_valide PHP - Eval 2% 3387 40 chmod 10 8 November 2018
pas_valide PHP - Eval - Advanced filters bypass 1% 513 40 Podalirius 2 8 July 2022
pas_valide SQL injection - Error 3% 7180 40 sambecks 5 4 March 2015
pas_valide SQL injection - Insert 1% 3002 40 sambecks 4 23 February 2015
pas_valide SQL injection - File reading 2% 5731 40 Arod 3 19 October 2014
pas_valide XPath injection - String 2% 3726 40 g0uZ 5 26 May 2013
pas_valide File upload - Polyglot 1% 381 45 Cyxo 1 8 July 2022
pas_valide NodeJS - Prototype Pollution Bypass 1% 444 45 Worty 1 22 October 2021
pas_valide NoSQL injection - Blind 1% 2798 45 ghozt 6 26 November 2016
pas_valide SQL injection - Time based 2% 5329 45 ycam 4 11 September 2015
pas_valide Java - Custom gadget deserialization 1% 46 50 Elweth 0 28 December 2023
pas_valide NodeJS - vm escape 1% 675 50 Podalirius 1 15 April 2021
pas_valide Server Side Request Forgery 1% 1723 50 sambecks 7 22 June 2018
pas_valide SQL injection - Blind 3% 7158 50 g0uZ 6 27 February 2011
pas_valide LDAP injection - Blind 1% 3227 55 g0uZ 2 8 June 2013
pas_valide PHP - Unserialize overflow 1% 713 55 mayfly 2 4 April 2020
pas_valide PHP - Unserialize Pop Chain 1% 568 55 Worty 2 22 October 2021
pas_valide SQL Injection Second Order 1% 126 55 k4ndar3c 1 29 November 2023
pas_valide Python - Blind SSTI Filters Bypass 1% 553 75 Podalirius 5 7 September 2021
pas_valide XPath injection - Blind 1% 2189 75 g0uZ 5 27 December 2012
pas_valide SQL injection - Filter bypass 1% 2511 80 sambecks 7 21 July 2014

Challenge Results Challenge Results

Pseudo Challenge Lang Date
antoshka Web - Server  Weak password en 12 May 2024 at 22:43
Aysa Web - Server  HTML - Source code ru 12 May 2024 at 22:34
bessantoy Web - Serveur  Python - SSTI contournement de filtres en aveugle fr 12 May 2024 at 22:33
FullStackAlchemists Web - Server  NoSQL injection - Authentication en 12 May 2024 at 22:23
L'Ours Carrock Web - Serveur  HTTP - Contournement de filtrage IP fr 12 May 2024 at 22:21
DemDem Web - Serveur  File upload - ZIP fr 12 May 2024 at 22:20
yh_yohan Web - Server  PHP - Filters en 12 May 2024 at 22:19
charlti Web - Serveur  HTTP - Directory indexing fr 12 May 2024 at 22:13
L'Ours Carrock Web - Serveur  HTML - Code source fr 12 May 2024 at 22:11
McDax Web - Serveur  HTTP - Contournement de filtrage IP fr 12 May 2024 at 22:03