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% 162772 5 g0uZ 5 3 October 2006
pas_valide File upload - Double extensions 10% 33773 20 g0uZ 10 24 December 2012
pas_valide SQL injection - Authentication 14% 44171 30 g0uZ 11 27 February 2011
pas_valide SQL injection - String 7% 20958 30 g0uZ 10 24 December 2012
pas_valide LDAP injection - Authentication 3% 10026 35 g0uZ 8 26 May 2013
pas_valide PHP - register globals 5% 15369 25 g0uZ 2 8 October 2011
pas_valide PHP - Filters 6% 19082 25 g0uZ 3 27 February 2011
pas_valide SQL injection - Numeric 5% 14448 35 g0uZ 7 24 December 2012
pas_valide XPath injection - Authentication 2% 6415 35 g0uZ 6 27 December 2012
pas_valide File upload - Null byte 7% 23061 25 g0uZ 4 26 December 2012
pas_valide Directory traversal 11% 34070 25 g0uZ 3 31 July 2011
pas_valide HTTP - Cookies 14% 44043 20 g0uZ 8 7 October 2006
pas_valide Local File Inclusion 8% 24790 30 g0uZ 4 2 October 2011
pas_valide File upload - MIME type 8% 27012 20 g0uZ 10 26 December 2012
pas_valide Remote File Inclusion 4% 11488 30 g0uZ 8 25 November 2015
pas_valide CRLF 10% 30742 20 g0uZ 7 31 July 2011
pas_valide Weak password 32% 105761 10 g0uZ 7 3 October 2006
pas_valide LDAP injection - Blind 1% 3349 55 g0uZ 2 8 June 2013
pas_valide SQL injection - Blind 3% 7350 50 g0uZ 6 27 February 2011
pas_valide Backup file 16% 52579 15 g0uZ 10 27 February 2011
pas_valide XPath injection - String 2% 3799 40 g0uZ 5 26 May 2013
pas_valide HTTP - Directory indexing 23% 74591 15 g0uZ 7 7 October 2006
pas_valide HTTP - User-agent 24% 80300 10 g0uZ 10 3 October 2006
pas_valide HTTP - Verb tampering 14% 44640 15 g0uZ 10 3 February 2011
pas_valide XPath injection - Blind 1% 2258 75 g0uZ 5 27 December 2012
pas_valide Install files 13% 42196 15 g0uZ 6 7 October 2006
pas_valide HTTP - Headers 16% 52583 15 Arod 9 11 January 2015
pas_valide HTTP - Improper redirect 13% 40971 15 Arod 10 26 November 2014
pas_valide PHP - Serialization 2% 6580 35 Arod 3 3 February 2014
pas_valide SQL injection - File reading 2% 5881 40 Arod 3 19 October 2014
pas_valide SQL Truncation 2% 6443 35 Geluchat 2 1 May 2015
pas_valide PHP - Path Truncation 2% 5305 35 Geluchat 6 25 March 2015
pas_valide Java - Spring Boot 1% 2289 40 dvor4x 3 24 December 2016
pas_valide SQL injection - Authentication - GBK 3% 9281 30 dvor4x 4 2 December 2015
pas_valide XML External Entity 2% 5379 35 sambecks 2 20 October 2014
pas_valide Server Side Request Forgery 1% 1783 50 sambecks 7 22 June 2018
pas_valide Local File Inclusion - Wrappers 2% 3525 40 sambecks 4 2 March 2016
pas_valide SQL injection - Error 3% 7396 40 sambecks 5 4 March 2015
pas_valide SQL injection - Insert 1% 3085 40 sambecks 4 23 February 2015
pas_valide PHP - preg_replace() 3% 8829 30 sambecks 4 2 March 2016
pas_valide Command injection - Filter bypass 3% 7381 30 sambecks 6 20 September 2017
pas_valide SQL injection - Filter bypass 1% 2616 80 sambecks 7 21 July 2014
pas_valide PHP - Command injection 19% 63335 10 sambecks 10 20 September 2017
pas_valide Java - Server-side Template Injection 4% 10301 30 righettod 6 29 November 2015
pas_valide HTTP - Open redirect 19% 63870 10 Swissky 10 2 August 2017
pas_valide Insecure Code Management 4% 13071 20 Swissky 6 29 September 2019
pas_valide Local File Inclusion - Double encoding 4% 12438 30 zM_ 4 13 June 2016
pas_valide PHP - type juggling 3% 8650 30 vic 4 10 March 2016
pas_valide NoSQL injection - Authentication 3% 7505 35 mastho 8 31 May 2015
pas_valide SQL Injection - Routed 2% 5112 35 soka 5 24 December 2016
pas_valide SQL injection - Time based 2% 5477 45 ycam 4 11 September 2015
pas_valide JWT - Revoked token 2% 5627 25 ArnC 6 20 March 2020
pas_valide PHP - assert() 5% 14943 25 Birdy42 10 26 November 2016
pas_valide SQL Injection Second Order 1% 166 55 k4ndar3c 1 29 November 2023
pas_valide NoSQL injection - Blind 1% 2887 45 ghozt 6 26 November 2016
pas_valide XSLT - Code execution 2% 3603 30 ghozt 5 16 July 2017
pas_valide File upload - ZIP 3% 9216 30 ghozt 3 3 August 2017
pas_valide PHP - Loose Comparison 3% 7058 30 ghozt 4 10 January 2018
pas_valide JWT - Introduction 5% 16255 20 Kn0wledge 5 21 August 2019
pas_valide PHP - Eval 2% 3481 40 chmod 10 8 November 2018
pas_valide PHP - Remote Xdebug 1% 1436 25 mayfly 4 18 March 2020
pas_valide PHP - Unserialize overflow 1% 744 55 mayfly 2 4 April 2020
pas_valide Elixir - EEx 1% 210 35 lolo42 1 29 November 2023
pas_valide HTTP - IP restriction bypass 8% 26032 10 Cyrhades 7 23 March 2021
pas_valide JWT - Public key 2% 3644 30 Jrmbt 5 21 August 2019
pas_valide JWT - Weak secret 4% 11249 25 Jrmbt 6 21 August 2019
pas_valide HTTP - POST 14% 47302 15 Th1b4ud 10 14 August 2018
pas_valide GraphQL - Mutation 1% 1496 40 CanardMandarin 2 20 October 2020
pas_valide Python - Blind SSTI Filters Bypass 1% 601 75 Podalirius 5 7 September 2021
pas_valide PHP - Eval - Advanced filters bypass 1% 545 40 Podalirius 2 8 July 2022
pas_valide NodeJS - vm escape 1% 699 50 Podalirius 1 15 April 2021
pas_valide Python - Server-side Template Injection Introduction 2% 4098 25 Podalirius 7 7 September 2021
pas_valide Node - Eval 1% 2735 30 Mhd_Root 7 24 February 2021
pas_valide Node - Serialize 1% 1194 35 Mhd_Root 2 24 February 2021
pas_valide File upload - Polyglot 1% 410 45 Cyxo 1 8 July 2022
pas_valide NodeJS - Prototype Pollution Bypass 1% 481 45 Worty 1 22 October 2021
pas_valide PHP - Unserialize Pop Chain 1% 629 55 Worty 2 22 October 2021
pas_valide Java - Custom gadget deserialization 1% 114 50 Elweth 0 28 December 2023
pas_valide Flask - Development server 1% 697 30 Sanlokii 1 29 November 2023
pas_valide Flask - Unsecure session 1% 1960 20 Sanlokii 1 29 November 2023
pas_valide XSS - Server Side 1% 2183 20 Elf 4 23 June 2023
pas_valide Yaml - Deserialization 1% 1299 35 Nishacid 2 20 April 2021
pas_valide GraphQL - Injection 1% 642 30 apges01 2 19 January 2023
pas_valide GraphQL - Introspection 1% 3244 20 apges01 4 19 January 2023
pas_valide GraphQL - Backend injection 1% 375 40 apges01 1 19 January 2023
pas_valide PHP - Apache configuration 1% 2147 25 erk3 , nemoz 3 8 July 2022
pas_valide JWT - Header Injection 1% 1034 30 Nishacid , Mika 2 23 February 2023
pas_valide API - Mass Assignment 1% 1969 20 Nishacid , Mika 2 18 January 2024
pas_valide API - Broken Access 1% 2877 15 Nishacid , Mika 2 18 January 2024
pas_valide JWT - Unsecure Key Handling 1% 693 35 Nishacid , Mika 5 23 February 2023
pas_valide JWT - Unsecure File Signature 1% 1849 25 Nishacid , Mika 3 23 February 2023
pas_valide API - Broken Access 2 1% 249 40 Nishacid , Mika 1 18 January 2024

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Mowglii__ Web - Serveur  HTTP - Open redirect fr 19 September 2024 at 17:03
DjCode Web - Serveur  HTTP - Open redirect fr 19 September 2024 at 17:03
hkhkh Web - Server  Weak password en 19 September 2024 at 17:02
hkhkh Web - Server  HTTP - User-agent en 19 September 2024 at 17:02
Shyve Web - Serveur  HTTP - Verb tampering fr 19 September 2024 at 17:01
toty01 Web - Serveur  Mot de passe faible fr 19 September 2024 at 17:01
Magikarp Web - Serveur  HTTP - Contournement de filtrage IP fr 19 September 2024 at 17:00
hkhkh Web - Server  HTTP - Open redirect en 19 September 2024 at 17:00
Nah, I'd Win. Web - Server  XPath injection - String en 19 September 2024 at 17:00
Nah, I'd Win. Web - Server  PHP - Eval en 19 September 2024 at 16:57