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 96 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note ↓↑  Notation Solution Date
pas_valide JWT - Revoked token 2% 6003 25 ArnC 6 20 March 2020
pas_valide PHP - Remote Xdebug 1% 1489 25 mayfly 4 18 March 2020
pas_valide Nginx - SSRF Misconfiguration 1% 62 30 .Yo0x 0 27 September 2024
pas_valide SQL injection - Authentication - GBK 3% 9729 30 dvor4x 4 2 December 2015
pas_valide CRLF 10% 31573 20 g0uZ 7 31 July 2011
pas_valide Java - Spring Boot 1% 2327 40 dvor4x 3 24 December 2016
pas_valide NodeJS - Prototype Pollution Bypass 1% 529 45 Worty 1 22 October 2021
pas_valide GraphQL - Introspection 2% 3620 20 apges01 4 19 January 2023
pas_valide JWT - Public key 2% 3826 30 Jrmbt 5 21 August 2019
pas_valide Flask - Development server 1% 914 30 Sanlokii 1 29 November 2023
pas_valide PHP - Path Truncation 2% 5440 35 Geluchat 6 25 March 2015
pas_valide SQL Injection - Second Order 1% 207 55 k4ndar3c 1 29 November 2023
pas_valide API - Broken Access 2 1% 418 40 Nishacid , Mika 1 18 January 2024
pas_valide Weak password 32% 109037 10 g0uZ 7 3 October 2006
pas_valide PHP - Apache configuration 1% 2360 25 erk3 , nemoz 3 8 July 2022
pas_valide Backup file 16% 53828 15 g0uZ 10 27 February 2011
pas_valide HTTP - User-agent 24% 83125 10 g0uZ 10 3 October 2006
pas_valide Nginx - Root Location Misconfiguration 1% 166 15 .Yo0x 0 27 September 2024
pas_valide Command injection - Filter bypass 3% 7605 30 sambecks 6 20 September 2017
pas_valide SQL injection - Filter bypass 1% 2876 80 sambecks 7 21 July 2014
pas_valide GraphQL - Backend injection 1% 428 40 apges01 1 19 January 2023
pas_valide Install files 13% 43370 15 g0uZ 6 7 October 2006
pas_valide File upload - Polyglot 1% 452 45 Cyxo 1 8 July 2022
pas_valide Server Side Request Forgery 1% 1895 50 sambecks 7 22 June 2018
pas_valide XSLT - Code execution 2% 3715 30 ghozt 5 16 July 2017
pas_valide HTTP - Open redirect 19% 66106 10 Swissky 10 2 August 2017
pas_valide API - Broken Access 2% 4134 15 Nishacid , Mika 2 18 January 2024
pas_valide Python - dotenv 1% 25 70 jrjgjk 0 27 September 2024
pas_valide Elixir - EEx 1% 263 35 lolo42 1 29 November 2023
pas_valide HTTP - Headers 16% 54129 15 Arod 9 11 January 2015
pas_valide SQL Injection - Routed 2% 5381 35 soka 5 24 December 2016
pas_valide JWT - Unsecure Key Handling 1% 754 35 Nishacid , Mika 5 23 February 2023
pas_valide PHP - register globals 5% 15785 25 g0uZ 2 8 October 2011
pas_valide JWT - Unsecure File Signature 1% 2137 25 Nishacid , Mika 3 23 February 2023
pas_valide SQL injection - Insert 1% 3175 40 sambecks 4 23 February 2015
pas_valide SQL injection - File reading 2% 6016 40 Arod 3 19 October 2014
pas_valide SQL injection - Time based 2% 5776 45 ycam 4 11 September 2015
pas_valide File upload - Null byte 7% 23719 25 g0uZ 4 26 December 2012
pas_valide SQL Truncation 2% 6743 35 Geluchat 2 1 May 2015
pas_valide HTTP - IP restriction bypass 9% 28449 10 Cyrhades 7 23 March 2021
pas_valide Nginx - Alias Misconfiguration 1% 1765 15 .Yo0x 2 27 September 2024
pas_valide PHP - Eval 2% 3614 40 chmod 10 8 November 2018
pas_valide PHP - assert() 5% 15355 25 Birdy42 10 26 November 2016
pas_valide PHP - Serialization 2% 6723 35 Arod 3 3 February 2014
pas_valide GraphQL - Injection 1% 754 30 apges01 2 19 January 2023
pas_valide XML External Entity 2% 5631 35 sambecks 2 20 October 2014
pas_valide Node - Serialize 1% 1267 35 Mhd_Root 2 24 February 2021
pas_valide GraphQL - Mutation 1% 1570 40 CanardMandarin 2 20 October 2020
pas_valide PHP - type juggling 3% 8831 30 vic 4 10 March 2016
pas_valide PHP - Eval - Advanced filters bypass 1% 593 40 Podalirius 2 8 July 2022
pas_valide LDAP injection - Blind 1% 3454 55 g0uZ 2 8 June 2013
pas_valide HTTP - Directory indexing 22% 76740 15 g0uZ 7 7 October 2006
pas_valide SQL injection - Error 3% 7821 40 sambecks 5 4 March 2015
pas_valide NoSQL injection - Authentication 3% 7669 35 mastho 8 31 May 2015
pas_valide HTTP - Cookies 13% 45270 20 g0uZ 8 7 October 2006
pas_valide Local File Inclusion - Double encoding 4% 12790 30 zM_ 4 13 June 2016
pas_valide HTTP - Improper redirect 13% 42176 15 Arod 10 26 November 2014
pas_valide HTTP - POST 14% 48978 15 Th1b4ud 10 14 August 2018
pas_valide Directory traversal 10% 35016 25 g0uZ 3 31 July 2011
pas_valide PHP - Unserialize overflow 1% 774 55 mayfly 2 4 April 2020
pas_valide Local File Inclusion - Wrappers 2% 3627 40 sambecks 4 2 March 2016
pas_valide Remote File Inclusion 4% 11738 30 g0uZ 8 25 November 2015
pas_valide SQL injection - Blind 3% 7648 50 g0uZ 6 27 February 2011
pas_valide HTML - Source code 49% 168224 5 g0uZ 5 3 October 2006
pas_valide XSS - Server Side 1% 2605 20 Elf 4 23 June 2023
pas_valide File upload - Double extensions 10% 34666 20 g0uZ 10 24 December 2012
pas_valide SQL injection - Authentication 14% 45587 30 g0uZ 11 27 February 2011
pas_valide Local File Inclusion 8% 25439 30 g0uZ 4 2 October 2011
pas_valide PHP - Command injection 19% 65731 10 sambecks 10 20 September 2017
pas_valide JWT - Weak secret 4% 11838 25 Jrmbt 6 21 August 2019
pas_valide LDAP injection - Authentication 3% 10328 35 g0uZ 8 26 May 2013
pas_valide PHP - preg_replace() 3% 9028 30 sambecks 4 2 March 2016
pas_valide Insecure Code Management 4% 13625 20 Swissky 6 29 September 2019
pas_valide File upload - ZIP 3% 9532 30 ghozt 3 3 August 2017
pas_valide HTTP - Verb tampering 14% 45920 15 g0uZ 10 3 February 2011
pas_valide API - Mass Assignment 1% 2653 20 Nishacid , Mika 2 18 January 2024
pas_valide SQL injection - String 7% 21753 30 g0uZ 10 24 December 2012
pas_valide XPath injection - Blind 1% 2335 75 g0uZ 5 27 December 2012
pas_valide Python - Blind SSTI Filters Bypass 1% 655 75 Podalirius 5 7 September 2021
pas_valide JWT - Header Injection 1% 1159 30 Nishacid , Mika 2 23 February 2023
pas_valide File upload - MIME type 8% 27787 20 g0uZ 10 26 December 2012
pas_valide XPath injection - Authentication 2% 6593 35 g0uZ 6 27 December 2012
pas_valide XPath injection - String 2% 3916 40 g0uZ 5 26 May 2013
pas_valide SQL injection - Numeric 5% 15001 35 g0uZ 7 24 December 2012
pas_valide PHP - Filters 6% 19584 25 g0uZ 3 27 February 2011
pas_valide PHP - Loose Comparison 3% 7251 30 ghozt 4 10 January 2018
pas_valide JWT - Introduction 5% 17077 20 Kn0wledge 5 21 August 2019
pas_valide PHP - Unserialize Pop Chain 1% 680 55 Worty 2 22 October 2021
pas_valide Java - Server-side Template Injection 4% 10584 30 righettod 6 29 November 2015
pas_valide Python - Server-side Template Injection Introduction 2% 4460 25 Podalirius 7 7 September 2021
pas_valide NoSQL injection - Blind 1% 3011 45 ghozt 6 26 November 2016
pas_valide NodeJS - vm escape 1% 739 50 Podalirius 1 15 April 2021
pas_valide Node - Eval 1% 2917 30 Mhd_Root 7 24 February 2021
pas_valide Yaml - Deserialization 1% 1388 35 Nishacid 2 20 April 2021
pas_valide Java - Custom gadget deserialization 1% 168 50 Elweth 0 28 December 2023
pas_valide Flask - Unsecure session 1% 2474 20 Sanlokii 1 29 November 2023

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Nawbyyx Web - Serveur  Mot de passe faible fr 13 January 2025 at 13:28
layfo Web - Serveur  LDAP injection - Authentification fr 13 January 2025 at 13:12
TheDr0xb Web - Serveur  HTTP - Cookies fr 13 January 2025 at 13:09
azalo Web - Server  GraphQL - Introspection en 13 January 2025 at 13:06
abissodorato Web - Server  PHP - Command injection en 13 January 2025 at 13:00
layfo Web - Serveur  PHP - preg_replace() fr 13 January 2025 at 12:59
layfo Web - Serveur  PHP - assert() fr 13 January 2025 at 12:53
M4T34 Web - Serveur  HTTP - Contournement de filtrage IP fr 13 January 2025 at 12:53
Almosk Web - Serveur  CRLF fr 13 January 2025 at 12:52
TheDr0xb Web - Serveur  File upload - Double extensions fr 13 January 2025 at 12:50