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 HTML - Source code 49% 163632 5 g0uZ 5 3 October 2006
pas_valide SQL injection - Authentication 14% 44337 30 g0uZ 11 27 February 2011
pas_valide LDAP injection - Authentication 3% 10059 35 g0uZ 8 26 May 2013
pas_valide SQL injection - Numeric 5% 14490 35 g0uZ 7 24 December 2012
pas_valide File upload - Null byte 7% 23162 25 g0uZ 4 26 December 2012
pas_valide Directory traversal 11% 34206 25 g0uZ 3 31 July 2011
pas_valide SQL injection - String 7% 21013 30 g0uZ 10 24 December 2012
pas_valide XPath injection - Authentication 2% 6438 35 g0uZ 6 27 December 2012
pas_valide HTTP - Cookies 14% 44218 20 g0uZ 8 7 October 2006
pas_valide Local File Inclusion 8% 24883 30 g0uZ 4 2 October 2011
pas_valide File upload - MIME type 8% 27130 20 g0uZ 10 26 December 2012
pas_valide File upload - Double extensions 10% 33929 20 g0uZ 10 24 December 2012
pas_valide PHP - register globals 5% 15428 25 g0uZ 2 8 October 2011
pas_valide CRLF 10% 30875 20 g0uZ 7 31 July 2011
pas_valide XPath injection - String 2% 3814 40 g0uZ 5 26 May 2013
pas_valide HTTP - Directory indexing 23% 74904 15 g0uZ 7 7 October 2006
pas_valide XPath injection - Blind 1% 2267 75 g0uZ 5 27 December 2012
pas_valide HTTP - User-agent 24% 80679 10 g0uZ 10 3 October 2006
pas_valide Weak password 32% 106229 10 g0uZ 7 3 October 2006
pas_valide LDAP injection - Blind 1% 3359 55 g0uZ 2 8 June 2013
pas_valide SQL injection - Blind 3% 7366 50 g0uZ 6 27 February 2011
pas_valide Backup file 16% 52785 15 g0uZ 10 27 February 2011
pas_valide Remote File Inclusion 4% 11525 30 g0uZ 8 25 November 2015
pas_valide HTTP - Verb tampering 14% 44878 15 g0uZ 10 3 February 2011
pas_valide Install files 13% 42390 15 g0uZ 6 7 October 2006
pas_valide PHP - Filters 6% 19141 25 g0uZ 3 27 February 2011
pas_valide SQL injection - File reading 2% 5884 40 Arod 3 19 October 2014
pas_valide HTTP - Headers 16% 52823 15 Arod 9 11 January 2015
pas_valide HTTP - Improper redirect 13% 41166 15 Arod 10 26 November 2014
pas_valide PHP - Serialization 2% 6601 35 Arod 3 3 February 2014
pas_valide SQL Truncation 2% 6465 35 Geluchat 2 1 May 2015
pas_valide PHP - Path Truncation 2% 5331 35 Geluchat 6 25 March 2015
pas_valide SQL injection - Authentication - GBK 3% 9317 30 dvor4x 4 2 December 2015
pas_valide Java - Spring Boot 1% 2293 40 dvor4x 3 24 December 2016
pas_valide SQL injection - Error 3% 7434 40 sambecks 5 4 March 2015
pas_valide XML External Entity 2% 5398 35 sambecks 2 20 October 2014
pas_valide Local File Inclusion - Wrappers 2% 3539 40 sambecks 4 2 March 2016
pas_valide SQL injection - Insert 1% 3099 40 sambecks 4 23 February 2015
pas_valide Server Side Request Forgery 1% 1791 50 sambecks 7 22 June 2018
pas_valide PHP - preg_replace() 3% 8860 30 sambecks 4 2 March 2016
pas_valide SQL injection - Filter bypass 1% 2637 80 sambecks 7 21 July 2014
pas_valide PHP - Command injection 19% 63763 10 sambecks 10 20 September 2017
pas_valide Command injection - Filter bypass 3% 7426 30 sambecks 6 20 September 2017
pas_valide Java - Server-side Template Injection 4% 10345 30 righettod 6 29 November 2015
pas_valide HTTP - Open redirect 19% 64182 10 Swissky 10 2 August 2017
pas_valide Insecure Code Management 4% 13162 20 Swissky 6 29 September 2019
pas_valide Local File Inclusion - Double encoding 4% 12504 30 zM_ 4 13 June 2016
pas_valide PHP - type juggling 3% 8684 30 vic 4 10 March 2016
pas_valide NoSQL injection - Authentication 3% 7533 35 mastho 8 31 May 2015
pas_valide SQL Injection - Routed 2% 5135 35 soka 5 24 December 2016
pas_valide SQL injection - Time based 2% 5509 45 ycam 4 11 September 2015
pas_valide JWT - Revoked token 2% 5681 25 ArnC 6 20 March 2020
pas_valide PHP - assert() 5% 14998 25 Birdy42 10 26 November 2016
pas_valide SQL Injection Second Order 1% 169 55 k4ndar3c 1 29 November 2023
pas_valide NoSQL injection - Blind 1% 2901 45 ghozt 6 26 November 2016
pas_valide PHP - Loose Comparison 3% 7094 30 ghozt 4 10 January 2018
pas_valide File upload - ZIP 3% 9271 30 ghozt 3 3 August 2017
pas_valide XSLT - Code execution 2% 3620 30 ghozt 5 16 July 2017
pas_valide JWT - Introduction 5% 16419 20 Kn0wledge 5 21 August 2019
pas_valide PHP - Eval 2% 3503 40 chmod 10 8 November 2018
pas_valide PHP - Unserialize overflow 1% 747 55 mayfly 2 4 April 2020
pas_valide PHP - Remote Xdebug 1% 1447 25 mayfly 4 18 March 2020
pas_valide Elixir - EEx 1% 217 35 lolo42 1 29 November 2023
pas_valide HTTP - IP restriction bypass 8% 26378 10 Cyrhades 7 23 March 2021
pas_valide JWT - Weak secret 4% 11336 25 Jrmbt 6 21 August 2019
pas_valide JWT - Public key 2% 3667 30 Jrmbt 5 21 August 2019
pas_valide HTTP - POST 14% 47528 15 Th1b4ud 10 14 August 2018
pas_valide GraphQL - Mutation 1% 1505 40 CanardMandarin 2 20 October 2020
pas_valide Python - Server-side Template Injection Introduction 2% 4147 25 Podalirius 7 7 September 2021
pas_valide NodeJS - vm escape 1% 707 50 Podalirius 1 15 April 2021
pas_valide Python - Blind SSTI Filters Bypass 1% 607 75 Podalirius 5 7 September 2021
pas_valide PHP - Eval - Advanced filters bypass 1% 555 40 Podalirius 2 8 July 2022
pas_valide Node - Serialize 1% 1208 35 Mhd_Root 2 24 February 2021
pas_valide Node - Eval 1% 2784 30 Mhd_Root 7 24 February 2021
pas_valide File upload - Polyglot 1% 416 45 Cyxo 1 8 July 2022
pas_valide PHP - Unserialize Pop Chain 1% 633 55 Worty 2 22 October 2021
pas_valide NodeJS - Prototype Pollution Bypass 1% 490 45 Worty 1 22 October 2021
pas_valide Java - Custom gadget deserialization 1% 122 50 Elweth 0 28 December 2023
pas_valide Flask - Unsecure session 1% 2049 20 Sanlokii 1 29 November 2023
pas_valide Flask - Development server 1% 735 30 Sanlokii 1 29 November 2023
pas_valide XSS - Server Side 1% 2253 20 Elf 4 23 June 2023
pas_valide Yaml - Deserialization 1% 1309 35 Nishacid 2 20 April 2021
pas_valide GraphQL - Injection 1% 663 30 apges01 2 19 January 2023
pas_valide GraphQL - Introspection 1% 3310 20 apges01 4 19 January 2023
pas_valide GraphQL - Backend injection 1% 383 40 apges01 1 19 January 2023
pas_valide Python - dotenv 1% 13 70 jrjgjk 0 27 September 2024
pas_valide Nginx - SSRF Misconfiguration 1% 34 30 .Yo0x 0 27 September 2024
pas_valide Nginx - Alias Misconfiguration 1% 476 15 .Yo0x 0 27 September 2024
pas_valide Nginx - Root Location Misconfiguration 1% 84 15 .Yo0x 0 27 September 2024
pas_valide PHP - Apache configuration 1% 2179 25 erk3 , nemoz 3 8 July 2022
pas_valide API - Broken Access 2 1% 283 40 Nishacid , Mika 1 18 January 2024
pas_valide JWT - Unsecure File Signature 1% 1896 25 Nishacid , Mika 3 23 February 2023
pas_valide JWT - Unsecure Key Handling 1% 704 35 Nishacid , Mika 5 23 February 2023
pas_valide API - Mass Assignment 1% 2101 20 Nishacid , Mika 2 18 January 2024
pas_valide JWT - Header Injection 1% 1057 30 Nishacid , Mika 2 23 February 2023
pas_valide API - Broken Access 1% 3111 15 Nishacid , Mika 2 18 January 2024

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Fabio Colamartino Web - Server  HTTP - Open redirect en 5 October 2024 at 17:48
ssranked Web - Server  CRLF en 5 October 2024 at 17:39
TheAlchimist Web - Serveur  SQL injection - Authentification fr 5 October 2024 at 17:36
uratronc Web - Serveur  Local File Inclusion - Double encoding fr 5 October 2024 at 17:35
doyix Web - Server  HTTP - Improper redirect en 5 October 2024 at 17:33
Onin Web - Serveur  HTTP - User-agent fr 5 October 2024 at 17:33
Anonymous Web - Server  HTTP - User-agent en 5 October 2024 at 17:33
ssranked Web - Server  API - Broken Access en 5 October 2024 at 17:32
thibault8526 Web - Serveur  Install files fr 5 October 2024 at 17:31
Fabaure Web - Serveur  HTTP - Contournement de filtrage IP fr 5 October 2024 at 17:30