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% 157126 5 g0uZ 5 3 October 2006
pas_valide HTTP - IP restriction bypass 8% 23633 10 Cyrhades 7 23 March 2021
pas_valide HTTP - Open redirect 19% 61491 10 Swissky 10 2 August 2017
pas_valide HTTP - User-agent 24% 77605 10 g0uZ 10 3 October 2006
pas_valide Weak password 32% 102440 10 g0uZ 7 3 October 2006
pas_valide PHP - Command injection 19% 60876 10 sambecks 10 20 September 2017
pas_valide API - Broken Access 1% 1410 15 Nishacid , Mika 2 18 January 2024
pas_valide Backup file 16% 51077 15 g0uZ 10 27 February 2011
pas_valide HTTP - Directory indexing 23% 72296 15 g0uZ 7 7 October 2006
pas_valide HTTP - Headers 16% 50910 15 Arod 9 11 January 2015
pas_valide HTTP - POST 14% 45489 15 Th1b4ud 10 14 August 2018
pas_valide HTTP - Improper redirect 13% 39565 15 Arod 10 26 November 2014
pas_valide HTTP - Verb tampering 14% 43182 15 g0uZ 10 3 February 2011
pas_valide Install files 13% 40934 15 g0uZ 5 7 October 2006
pas_valide API - Mass Assignment 1% 988 20 Nishacid , Mika 2 18 January 2024
pas_valide CRLF 10% 29767 20 g0uZ 7 31 July 2011
pas_valide File upload - Double extensions 11% 32674 20 g0uZ 10 24 December 2012
pas_valide File upload - MIME type 8% 26055 20 g0uZ 10 26 December 2012
pas_valide Flask - Unsecure session 1% 1284 20 Sanlokii 1 29 November 2023
pas_valide GraphQL - Introspection 1% 2776 20 apges01 4 19 January 2023
pas_valide HTTP - Cookies 14% 42648 20 g0uZ 8 7 October 2006
pas_valide Insecure Code Management 4% 12490 20 Swissky 6 29 September 2019
pas_valide JWT - Introduction 5% 15378 20 Kn0wledge 5 21 August 2019
pas_valide XSS - Server Side 1% 1664 20 Elf 3 23 June 2023
pas_valide Directory traversal 11% 33045 25 g0uZ 3 31 July 2011
pas_valide File upload - Null byte 7% 22321 25 g0uZ 4 26 December 2012
pas_valide JWT - Revoked token 2% 5211 25 ArnC 6 20 March 2020
pas_valide JWT - Weak secret 4% 10599 25 Jrmbt 6 21 August 2019
pas_valide JWT - Unsecure File Signature 1% 1466 25 Nishacid , Mika 3 23 February 2023
pas_valide PHP - assert() 5% 14427 25 Birdy42 10 26 November 2016
pas_valide PHP - Apache configuration 1% 1864 25 erk3 , nemoz 3 8 July 2022
pas_valide PHP - Filters 6% 18539 25 g0uZ 3 27 February 2011
pas_valide PHP - register globals 5% 14919 25 g0uZ 2 8 October 2011
pas_valide PHP - Remote Xdebug 1% 1346 25 mayfly 4 18 March 2020
pas_valide Python - Server-side Template Injection Introduction 2% 3781 25 Podalirius 7 7 September 2021
pas_valide File upload - ZIP 3% 8850 30 ghozt 3 3 August 2017
pas_valide Flask - Development server 1% 472 30 Sanlokii 1 29 November 2023
pas_valide GraphQL - Injection 1% 539 30 apges01 2 19 January 2023
pas_valide Command injection - Filter bypass 3% 7134 30 sambecks 6 20 September 2017
pas_valide Java - Server-side Template Injection 4% 9944 30 righettod 6 29 November 2015
pas_valide JWT - Public key 2% 3427 30 Jrmbt 5 21 August 2019
pas_valide JWT - Header Injection 1% 831 30 Nishacid , Mika 2 23 February 2023
pas_valide Local File Inclusion 8% 24133 30 g0uZ 4 2 October 2011
pas_valide Local File Inclusion - Double encoding 4% 12090 30 zM_ 4 13 June 2016
pas_valide Node - Eval 1% 2567 30 Mhd_Root 7 24 February 2021
pas_valide PHP - Loose Comparison 3% 6834 30 ghozt 4 10 January 2018
pas_valide PHP - preg_replace() 3% 8597 30 sambecks 4 2 March 2016
pas_valide PHP - type juggling 3% 8423 30 vic 4 10 March 2016
pas_valide Remote File Inclusion 4% 11133 30 g0uZ 8 25 November 2015
pas_valide SQL injection - Authentication 14% 42748 30 g0uZ 11 27 February 2011
pas_valide SQL injection - Authentication - GBK 3% 8967 30 dvor4x 4 2 December 2015
pas_valide SQL injection - String 7% 20208 30 g0uZ 10 24 December 2012
pas_valide XSLT - Code execution 2% 3490 30 ghozt 5 16 July 2017
pas_valide Elixir - EEx 1% 149 35 lolo42 1 29 November 2023
pas_valide JWT - Unsecure Key Handling 1% 567 35 Nishacid , Mika 5 23 February 2023
pas_valide LDAP injection - Authentication 3% 9706 35 g0uZ 8 26 May 2013
pas_valide Node - Serialize 1% 1124 35 Mhd_Root 1 24 February 2021
pas_valide NoSQL injection - Authentication 3% 7242 35 mastho 8 31 May 2015
pas_valide PHP - Path Truncation 2% 5144 35 Geluchat 6 25 March 2015
pas_valide PHP - Serialization 2% 6429 35 Arod 3 3 February 2014
pas_valide SQL injection - Numeric 5% 13889 35 g0uZ 7 24 December 2012
pas_valide SQL Injection - Routed 2% 4895 35 soka 5 24 December 2016
pas_valide SQL Truncation 2% 6208 35 Geluchat 2 1 May 2015
pas_valide XML External Entity 2% 5173 35 sambecks 2 20 October 2014
pas_valide XPath injection - Authentication 2% 6239 35 g0uZ 6 27 December 2012
pas_valide Yaml - Deserialization 1% 1229 35 Nishacid 2 20 April 2021
pas_valide API - Broken Access 2 1% 63 40 Nishacid , Mika 1 18 January 2024
pas_valide GraphQL - Backend injection 1% 317 40 apges01 1 19 January 2023
pas_valide GraphQL - Mutation 1% 1449 40 CanardMandarin 2 20 October 2020
pas_valide Java - Spring Boot 1% 2208 40 dvor4x 3 24 December 2016
pas_valide Local File Inclusion - Wrappers 2% 3389 40 sambecks 4 2 March 2016
pas_valide PHP - Eval 2% 3361 40 chmod 10 8 November 2018
pas_valide PHP - Eval - Advanced filters bypass 1% 503 40 Podalirius 2 8 July 2022
pas_valide SQL injection - Error 3% 7098 40 sambecks 5 4 March 2015
pas_valide SQL injection - Insert 1% 2950 40 sambecks 4 23 February 2015
pas_valide SQL injection - File reading 2% 5682 40 Arod 3 19 October 2014
pas_valide XPath injection - String 2% 3697 40 g0uZ 5 26 May 2013
pas_valide File upload - Polyglot 1% 367 45 Cyxo 1 8 July 2022
pas_valide NodeJS - Prototype Pollution Bypass 1% 435 45 Worty 1 22 October 2021
pas_valide NoSQL injection - Blind 1% 2777 45 ghozt 6 26 November 2016
pas_valide SQL injection - Time based 2% 5230 45 ycam 4 11 September 2015
pas_valide Java - Custom gadget deserialization 1% 45 50 Elweth 0 28 December 2023
pas_valide NodeJS - vm escape 1% 666 50 Podalirius 1 15 April 2021
pas_valide Server Side Request Forgery 1% 1698 50 sambecks 7 22 June 2018
pas_valide SQL injection - Blind 3% 7062 50 g0uZ 6 27 February 2011
pas_valide LDAP injection - Blind 1% 3196 55 g0uZ 2 8 June 2013
pas_valide PHP - Unserialize overflow 1% 704 55 mayfly 2 4 April 2020
pas_valide PHP - Unserialize Pop Chain 1% 552 55 Worty 2 22 October 2021
pas_valide SQL Injection Second Order 1% 115 55 k4ndar3c 1 29 November 2023
pas_valide Python - Blind SSTI Filters Bypass 1% 544 75 Podalirius 5 7 September 2021
pas_valide XPath injection - Blind 1% 2161 75 g0uZ 5 27 December 2012
pas_valide SQL injection - Filter bypass 1% 2436 80 sambecks 7 21 July 2014

Challenge Results Challenge Results

Pseudo Challenge Lang Date
MJaBaM Web - Server  HTTP - POST ru 16 April 2024 at 04:16
MJaBaM Web - Server  HTTP - Headers ru 16 April 2024 at 04:11
Rapideaigle Web - Serveur  Fichier de sauvegarde fr 16 April 2024 at 03:59
sevenfold Web - Serveur  HTTP - POST fr 16 April 2024 at 03:45
ishtar2333 Web - Serveur  JWT - Secret faible fr 16 April 2024 at 03:29
Rapideaigle Web - Serveur  PHP - Injection de commande fr 16 April 2024 at 03:05
sn0_0wyy Web - Server  File upload - Null byte en 16 April 2024 at 02:43
Xayner SX Web - Serveur  JWT - Secret faible fr 16 April 2024 at 02:41
thomaswtn Web - Server  HTTP - Directory indexing en 16 April 2024 at 02:41
Rapideaigle Web - Serveur  HTTP - Directory indexing fr 16 April 2024 at 02:38