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% 168605 5 g0uZ 5 3 October 2006
pas_valide HTTP - User-agent 24% 83345 10 g0uZ 10 3 October 2006
pas_valide Weak password 32% 109265 10 g0uZ 7 3 October 2006
pas_valide HTTP - Directory indexing 22% 76878 15 g0uZ 7 7 October 2006
pas_valide Install files 13% 43450 15 g0uZ 6 7 October 2006
pas_valide HTTP - Cookies 13% 45376 20 g0uZ 8 7 October 2006
pas_valide HTTP - Verb tampering 14% 46013 15 g0uZ 10 3 February 2011
pas_valide SQL injection - Authentication 14% 45718 30 g0uZ 11 27 February 2011
pas_valide SQL injection - Blind 3% 7672 50 g0uZ 6 27 February 2011
pas_valide Backup file 16% 53922 15 g0uZ 10 27 February 2011
pas_valide PHP - Filters 6% 19626 25 g0uZ 3 27 February 2011
pas_valide CRLF 10% 31634 20 g0uZ 7 31 July 2011
pas_valide Directory traversal 10% 35083 25 g0uZ 3 31 July 2011
pas_valide Local File Inclusion 8% 25478 30 g0uZ 4 2 October 2011
pas_valide PHP - register globals 5% 15809 25 g0uZ 2 8 October 2011
pas_valide SQL injection - Numeric 5% 15055 35 g0uZ 7 24 December 2012
pas_valide File upload - Double extensions 10% 34743 20 g0uZ 10 24 December 2012
pas_valide SQL injection - String 7% 21824 30 g0uZ 10 24 December 2012
pas_valide File upload - MIME type 8% 27858 20 g0uZ 10 26 December 2012
pas_valide File upload - Null byte 7% 23785 25 g0uZ 4 26 December 2012
pas_valide XPath injection - Authentication 2% 6601 35 g0uZ 6 27 December 2012
pas_valide XPath injection - Blind 1% 2342 75 g0uZ 5 27 December 2012
pas_valide XPath injection - String 2% 3924 40 g0uZ 5 26 May 2013
pas_valide LDAP injection - Authentication 3% 10359 35 g0uZ 8 26 May 2013
pas_valide LDAP injection - Blind 1% 3462 55 g0uZ 2 8 June 2013
pas_valide PHP - Serialization 2% 6739 35 Arod 3 3 February 2014
pas_valide SQL injection - Filter bypass 1% 2889 80 sambecks 7 21 July 2014
pas_valide SQL injection - File reading 2% 6020 40 Arod 3 19 October 2014
pas_valide XML External Entity 2% 5639 35 sambecks 2 20 October 2014
pas_valide HTTP - Improper redirect 13% 42263 15 Arod 10 26 November 2014
pas_valide HTTP - Headers 16% 54244 15 Arod 9 11 January 2015
pas_valide SQL injection - Insert 1% 3184 40 sambecks 4 23 February 2015
pas_valide SQL injection - Error 3% 7849 40 sambecks 5 4 March 2015
pas_valide PHP - Path Truncation 2% 5446 35 Geluchat 6 25 March 2015
pas_valide SQL Truncation 2% 6761 35 Geluchat 2 1 May 2015
pas_valide NoSQL injection - Authentication 3% 7678 35 mastho 8 31 May 2015
pas_valide SQL injection - Time based 2% 5797 45 ycam 4 11 September 2015
pas_valide Remote File Inclusion 4% 11772 30 g0uZ 8 25 November 2015
pas_valide Java - Server-side Template Injection 4% 10609 30 righettod 6 29 November 2015
pas_valide SQL injection - Authentication - GBK 3% 9765 30 dvor4x 4 2 December 2015
pas_valide PHP - preg_replace() 3% 9053 30 sambecks 4 2 March 2016
pas_valide Local File Inclusion - Wrappers 2% 3637 40 sambecks 4 2 March 2016
pas_valide PHP - type juggling 3% 8850 30 vic 4 10 March 2016
pas_valide Local File Inclusion - Double encoding 4% 12824 30 zM_ 4 13 June 2016
pas_valide PHP - assert() 5% 15408 25 Birdy42 10 26 November 2016
pas_valide NoSQL injection - Blind 1% 3021 45 ghozt 6 26 November 2016
pas_valide SQL Injection - Routed 2% 5403 35 soka 5 24 December 2016
pas_valide Java - Spring Boot 1% 2337 40 dvor4x 3 24 December 2016
pas_valide XSLT - Code execution 2% 3720 30 ghozt 5 16 July 2017
pas_valide HTTP - Open redirect 19% 66280 10 Swissky 10 2 August 2017
pas_valide File upload - ZIP 3% 9552 30 ghozt 3 3 August 2017
pas_valide PHP - Command injection 19% 65927 10 sambecks 10 20 September 2017
pas_valide Command injection - Filter bypass 3% 7618 30 sambecks 6 20 September 2017
pas_valide PHP - Loose Comparison 3% 7267 30 ghozt 4 10 January 2018
pas_valide Server Side Request Forgery 1% 1900 50 sambecks 7 22 June 2018
pas_valide HTTP - POST 14% 49108 15 Th1b4ud 10 14 August 2018
pas_valide PHP - Eval 2% 3624 40 chmod 10 8 November 2018
pas_valide JWT - Public key 2% 3840 30 Jrmbt 5 21 August 2019
pas_valide JWT - Weak secret 4% 11892 25 Jrmbt 6 21 August 2019
pas_valide JWT - Introduction 5% 17146 20 Kn0wledge 5 21 August 2019
pas_valide Insecure Code Management 4% 13672 20 Swissky 6 29 September 2019
pas_valide PHP - Remote Xdebug 1% 1493 25 mayfly 4 18 March 2020
pas_valide JWT - Revoked token 2% 6030 25 ArnC 6 20 March 2020
pas_valide PHP - Unserialize overflow 1% 778 55 mayfly 2 4 April 2020
pas_valide GraphQL - Mutation 1% 1574 40 CanardMandarin 2 20 October 2020
pas_valide Node - Eval 1% 2934 30 Mhd_Root 7 24 February 2021
pas_valide Node - Serialize 1% 1277 35 Mhd_Root 2 24 February 2021
pas_valide HTTP - IP restriction bypass 9% 28625 10 Cyrhades 7 23 March 2021
pas_valide NodeJS - vm escape 1% 743 50 Podalirius 1 15 April 2021
pas_valide Yaml - Deserialization 1% 1399 35 Nishacid 2 20 April 2021
pas_valide Python - Server-side Template Injection Introduction 2% 4491 25 Podalirius 7 7 September 2021
pas_valide Python - Blind SSTI Filters Bypass 1% 661 75 Podalirius 5 7 September 2021
pas_valide NodeJS - Prototype Pollution Bypass 1% 534 45 Worty 1 22 October 2021
pas_valide PHP - Unserialize Pop Chain 1% 687 55 Worty 2 22 October 2021
pas_valide PHP - Apache configuration 1% 2380 25 erk3 , nemoz 4 8 July 2022
pas_valide PHP - Eval - Advanced filters bypass 1% 597 40 Podalirius 2 8 July 2022
pas_valide File upload - Polyglot 1% 455 45 Cyxo 1 8 July 2022
pas_valide GraphQL - Introspection 2% 3650 20 apges01 4 19 January 2023
pas_valide GraphQL - Injection 1% 761 30 apges01 2 19 January 2023
pas_valide GraphQL - Backend injection 1% 434 40 apges01 1 19 January 2023
pas_valide JWT - Unsecure File Signature 1% 2159 25 Nishacid , Mika 3 23 February 2023
pas_valide JWT - Header Injection 1% 1173 30 Nishacid , Mika 2 23 February 2023
pas_valide JWT - Unsecure Key Handling 1% 766 35 Nishacid , Mika 5 23 February 2023
pas_valide XSS - Server Side 1% 2643 20 Elf 4 23 June 2023
pas_valide SQL Injection - Second Order 1% 211 55 k4ndar3c 1 29 November 2023
pas_valide Flask - Development server 1% 926 30 Sanlokii 1 29 November 2023
pas_valide Elixir - EEx 1% 267 35 lolo42 1 29 November 2023
pas_valide Flask - Unsecure session 1% 2515 20 Sanlokii 1 29 November 2023
pas_valide Java - Custom gadget deserialization 1% 172 50 Elweth 0 28 December 2023
pas_valide API - Broken Access 2% 4226 15 Nishacid , Mika 3 18 January 2024
pas_valide API - Mass Assignment 1% 2703 20 Nishacid , Mika 2 18 January 2024
pas_valide API - Broken Access 2 1% 434 40 Nishacid , Mika 1 18 January 2024
pas_valide Python - dotenv 1% 25 70 jrjgjk 0 27 September 2024
pas_valide Nginx - SSRF Misconfiguration 1% 64 30 .Yo0x 0 27 September 2024
pas_valide Nginx - Root Location Misconfiguration 1% 169 15 .Yo0x 0 27 September 2024
pas_valide Nginx - Alias Misconfiguration 1% 1852 15 .Yo0x 2 27 September 2024

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Vinz Web - Serveur  HTTP - Headers fr 21 January 2025 at 15:58
Gokulraj Web - Server  Insecure Code Management en 21 January 2025 at 15:56
ryzwannj Web - Serveur  PHP - Register globals fr 21 January 2025 at 15:53
Jonas Web - Server  HTTP - User-agent en 21 January 2025 at 15:52
ryzwannj Web - Serveur  PHP - Filters fr 21 January 2025 at 15:52
nf.esteves89 Web - Serveur  HTML - Code source fr 21 January 2025 at 15:52
ryzwannj Web - Serveur  File upload - Null byte fr 21 January 2025 at 15:50
ringostar Web - Serveur  HTML - Code source fr 21 January 2025 at 15:49
ryzwannj Web - Serveur  HTTP - Cookies fr 21 January 2025 at 15:49
ryzwannj Web - Serveur  File upload - Type MIME fr 21 January 2025 at 15:48