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% 6453 25 ArnC 6 20 March 2020
pas_valide PHP - Remote Xdebug 1% 1551 25 mayfly 4 18 March 2020
pas_valide CRLF 9% 32372 20 g0uZ 7 31 July 2011
pas_valide SQL injection - Authentication - GBK 3% 10155 30 dvor4x 4 2 December 2015
pas_valide Java - Spring Boot 1% 2400 40 dvor4x 3 24 December 2016
pas_valide NodeJS - Prototype Pollution Bypass 1% 580 45 Worty 1 22 October 2021
pas_valide Nginx - SSRF Misconfiguration 1% 276 30 .Yo0x 0 27 September 2024
pas_valide GraphQL - Introspection 2% 4104 20 apges01 4 19 January 2023
pas_valide JWT - Public key 2% 4056 30 Jrmbt 5 21 August 2019
pas_valide PHP - Path Truncation 2% 5565 35 Geluchat 6 25 March 2015
pas_valide Flask - Development server 1% 1126 30 Sanlokii 1 29 November 2023
pas_valide SQL Injection - Second Order 1% 248 55 k4ndar3c 1 29 November 2023
pas_valide API - Broken Access 2 1% 593 40 Nishacid , Mika 1 18 January 2024
pas_valide Weak password 31% 112381 10 g0uZ 7 3 October 2006
pas_valide PHP - Apache configuration 1% 2656 25 erk3 , nemoz 4 8 July 2022
pas_valide Backup file 16% 55301 15 g0uZ 10 27 February 2011
pas_valide HTTP - User-agent 24% 86034 10 g0uZ 10 3 October 2006
pas_valide Command injection - Filter bypass 3% 7873 30 sambecks 6 20 September 2017
pas_valide API - Broken Access 2% 5566 15 Nishacid , Mika 4 18 January 2024
pas_valide SQL injection - Filter bypass 1% 3062 80 sambecks 7 21 July 2014
pas_valide File upload - Polyglot 1% 511 45 Cyxo 1 8 July 2022
pas_valide Nginx - Root Location Misconfiguration 1% 1126 15 .Yo0x 0 27 September 2024
pas_valide Install files 13% 44742 15 g0uZ 7 7 October 2006
pas_valide XSLT - Code execution 2% 3831 30 ghozt 5 16 July 2017
pas_valide HTTP - Open redirect 19% 68511 10 Swissky 10 2 August 2017
pas_valide Server Side Request Forgery 1% 1976 50 sambecks 7 22 June 2018
pas_valide GraphQL - Backend injection 1% 483 40 apges01 1 19 January 2023
pas_valide HTTP - Headers 16% 55943 15 Arod 9 11 January 2015
pas_valide JWT - Unsecure File Signature 1% 2517 25 Nishacid , Mika 3 23 February 2023
pas_valide JWT - Unsecure Key Handling 1% 889 35 Nishacid , Mika 5 23 February 2023
pas_valide Elixir - EEx 1% 360 35 lolo42 1 29 November 2023
pas_valide SQL Injection - Routed 2% 5587 35 soka 5 24 December 2016
pas_valide GraphQL - Injection 1% 882 30 apges01 2 19 January 2023
pas_valide PHP - register globals 5% 16221 25 g0uZ 2 8 October 2011
pas_valide SQL injection - Insert 1% 3278 40 sambecks 4 23 February 2015
pas_valide SQL injection - Time based 2% 5990 45 ycam 4 11 September 2015
pas_valide File upload - Null byte 7% 24546 25 g0uZ 4 26 December 2012
pas_valide SQL injection - File reading 2% 6060 40 Arod 3 19 October 2014
pas_valide SQL Truncation 2% 6970 35 Geluchat 2 1 May 2015
pas_valide HTTP - IP restriction bypass 9% 31010 10 Cyrhades 8 23 March 2021
pas_valide PHP - Eval 2% 3759 40 chmod 10 8 November 2018
pas_valide PHP - assert() 5% 15904 25 Birdy42 10 26 November 2016
pas_valide PHP - Unserialize overflow 1% 809 55 mayfly 2 4 April 2020
pas_valide Nginx - Alias Misconfiguration 1% 2945 15 .Yo0x 2 27 September 2024
pas_valide XML External Entity 2% 5812 35 sambecks 2 20 October 2014
pas_valide PHP - Serialization 2% 6898 35 Arod 3 3 February 2014
pas_valide HTTP - Directory indexing 22% 78979 15 g0uZ 7 7 October 2006
pas_valide GraphQL - Mutation 1% 1634 40 CanardMandarin 2 20 October 2020
pas_valide NoSQL injection - Authentication 3% 7919 35 mastho 8 31 May 2015
pas_valide Node - Serialize 1% 1361 35 Mhd_Root 2 24 February 2021
pas_valide LDAP injection - Blind 1% 3554 55 g0uZ 2 8 June 2013
pas_valide HTTP - Improper redirect 12% 43576 15 Arod 10 26 November 2014
pas_valide SQL injection - Error 3% 8219 40 sambecks 5 4 March 2015
pas_valide Local File Inclusion - Double encoding 4% 13170 30 zM_ 4 13 June 2016
pas_valide HTTP - Cookies 13% 46690 20 g0uZ 8 7 October 2006
pas_valide PHP - type juggling 3% 9072 30 vic 4 10 March 2016
pas_valide HTTP - POST 14% 50869 15 Th1b4ud 10 14 August 2018
pas_valide PHP - Eval - Advanced filters bypass 1% 650 40 Podalirius 2 8 July 2022
pas_valide Local File Inclusion - Wrappers 2% 3782 40 sambecks 4 2 March 2016
pas_valide Directory traversal 10% 36159 25 g0uZ 3 31 July 2011
pas_valide Remote File Inclusion 4% 12104 30 g0uZ 8 25 November 2015
pas_valide SQL injection - Blind 3% 7937 50 g0uZ 6 27 February 2011
pas_valide XSS - Server Side 1% 3064 20 Elf 4 23 June 2023
pas_valide HTML - Source code 48% 173751 5 g0uZ 5 3 October 2006
pas_valide File upload - Double extensions 10% 35766 20 g0uZ 10 24 December 2012
pas_valide JWT - Weak secret 4% 12534 25 Jrmbt 7 21 August 2019
pas_valide SQL injection - Authentication 14% 47332 30 g0uZ 11 27 February 2011
pas_valide HTTP - Verb tampering 14% 47371 15 g0uZ 10 3 February 2011
pas_valide Local File Inclusion 8% 26121 30 g0uZ 4 2 October 2011
pas_valide PHP - Command injection 19% 68518 10 sambecks 10 20 September 2017
pas_valide XPath injection - Blind 1% 2444 75 g0uZ 5 27 December 2012
pas_valide PHP - preg_replace() 3% 9284 30 sambecks 4 2 March 2016
pas_valide Insecure Code Management 4% 14245 20 Swissky 6 29 September 2019
pas_valide LDAP injection - Authentication 3% 10617 35 g0uZ 8 26 May 2013
pas_valide File upload - ZIP 3% 9909 30 ghozt 3 3 August 2017
pas_valide SQL injection - String 7% 22495 30 g0uZ 10 24 December 2012
pas_valide API - Mass Assignment 1% 3417 20 Nishacid , Mika 2 18 January 2024
pas_valide Python - dotenv 1% 99 70 jrjgjk 0 27 September 2024
pas_valide File upload - MIME type 8% 28832 20 g0uZ 10 26 December 2012
pas_valide Python - Blind SSTI Filters Bypass 1% 713 75 Podalirius 5 7 September 2021
pas_valide JWT - Header Injection 1% 1356 30 Nishacid , Mika 2 23 February 2023
pas_valide XPath injection - Authentication 2% 6775 35 g0uZ 6 27 December 2012
pas_valide SQL injection - Numeric 5% 15581 35 g0uZ 7 24 December 2012
pas_valide PHP - Filters 6% 20182 25 g0uZ 3 27 February 2011
pas_valide XPath injection - String 2% 4033 40 g0uZ 5 26 May 2013
pas_valide PHP - Loose Comparison 3% 7471 30 ghozt 4 10 January 2018
pas_valide PHP - Unserialize Pop Chain 1% 748 55 Worty 2 22 October 2021
pas_valide JWT - Introduction 5% 18044 20 Kn0wledge 5 21 August 2019
pas_valide Java - Server-side Template Injection 4% 11029 30 righettod 6 29 November 2015
pas_valide Python - Server-side Template Injection Introduction 2% 4895 25 Podalirius 7 7 September 2021
pas_valide NodeJS - vm escape 1% 797 50 Podalirius 1 15 April 2021
pas_valide NoSQL injection - Blind 1% 3133 45 ghozt 6 26 November 2016
pas_valide Node - Eval 1% 3091 30 Mhd_Root 7 24 February 2021
pas_valide Yaml - Deserialization 1% 1498 35 Nishacid 2 20 April 2021
pas_valide Flask - Unsecure session 1% 3044 20 Sanlokii 1 29 November 2023
pas_valide Java - Custom gadget deserialization 1% 221 50 Elweth 0 28 December 2023

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Alex Web - Server  Nginx - Alias Misconfiguration ru 4 June 2025 at 12:47
Kesha Web - Server  HTTP - Directory indexing ru 4 June 2025 at 12:47
Kesha Web - Server  API - Broken Access ru 4 June 2025 at 12:41
franckferman Web - Serveur  Nginx - Root Location Misconfiguration fr 4 June 2025 at 12:41
shaw12345 Web - Serveur  Insecure Code Management fr 4 June 2025 at 12:39
HamC0d3r Web - Server  API - Broken Access en 4 June 2025 at 12:38
rayaanokoji Web - Serveur  PHP - Configuration Apache fr 4 June 2025 at 12:34
UnBonWhisky Web - Serveur  Nginx - Alias Misconfiguration fr 4 June 2025 at 12:34
KiraLY Web - Serveur  GraphQL - Injection fr 4 June 2025 at 12:30
lyess Web - Serveur  PHP - Injection de commande fr 4 June 2025 at 12:24