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 API - Broken Access 2% 4099 15 Nishacid , Mika 2 18 January 2024
pas_valide API - Broken Access 2 1% 415 40 Nishacid , Mika 1 18 January 2024
pas_valide API - Mass Assignment 1% 2633 20 Nishacid , Mika 2 18 January 2024
pas_valide Backup file 16% 53795 15 g0uZ 10 27 February 2011
pas_valide CRLF 10% 31544 20 g0uZ 7 31 July 2011
pas_valide Command injection - Filter bypass 3% 7597 30 sambecks 6 20 September 2017
pas_valide Directory traversal 11% 34986 25 g0uZ 3 31 July 2011
pas_valide Elixir - EEx 1% 260 35 lolo42 1 29 November 2023
pas_valide File upload - Double extensions 10% 34639 20 g0uZ 10 24 December 2012
pas_valide File upload - MIME type 8% 27762 20 g0uZ 10 26 December 2012
pas_valide File upload - Null byte 7% 23691 25 g0uZ 4 26 December 2012
pas_valide File upload - Polyglot 1% 451 45 Cyxo 1 8 July 2022
pas_valide File upload - ZIP 3% 9523 30 ghozt 3 3 August 2017
pas_valide Flask - Development server 1% 911 30 Sanlokii 1 29 November 2023
pas_valide Flask - Unsecure session 1% 2458 20 Sanlokii 1 29 November 2023
pas_valide GraphQL - Backend injection 1% 428 40 apges01 1 19 January 2023
pas_valide GraphQL - Injection 1% 753 30 apges01 2 19 January 2023
pas_valide GraphQL - Introspection 2% 3608 20 apges01 4 19 January 2023
pas_valide GraphQL - Mutation 1% 1569 40 CanardMandarin 2 20 October 2020
pas_valide HTML - Source code 49% 168063 5 g0uZ 5 3 October 2006
pas_valide HTTP - Cookies 13% 45230 20 g0uZ 8 7 October 2006
pas_valide HTTP - Directory indexing 22% 76686 15 g0uZ 7 7 October 2006
pas_valide HTTP - Headers 16% 54082 15 Arod 9 11 January 2015
pas_valide HTTP - IP restriction bypass 9% 28374 10 Cyrhades 7 23 March 2021
pas_valide HTTP - Improper redirect 13% 42138 15 Arod 10 26 November 2014
pas_valide HTTP - Open redirect 19% 66034 10 Swissky 10 2 August 2017
pas_valide HTTP - POST 14% 48931 15 Th1b4ud 10 14 August 2018
pas_valide HTTP - User-agent 24% 83048 10 g0uZ 10 3 October 2006
pas_valide HTTP - Verb tampering 14% 45876 15 g0uZ 10 3 February 2011
pas_valide Insecure Code Management 4% 13604 20 Swissky 6 29 September 2019
pas_valide Install files 13% 43331 15 g0uZ 6 7 October 2006
pas_valide JWT - Header Injection 1% 1153 30 Nishacid , Mika 2 23 February 2023
pas_valide JWT - Introduction 5% 17047 20 Kn0wledge 5 21 August 2019
pas_valide JWT - Public key 2% 3816 30 Jrmbt 5 21 August 2019
pas_valide JWT - Revoked token 2% 5985 25 ArnC 6 20 March 2020
pas_valide JWT - Unsecure File Signature 1% 2127 25 Nishacid , Mika 3 23 February 2023
pas_valide JWT - Unsecure Key Handling 1% 751 35 Nishacid , Mika 5 23 February 2023
pas_valide JWT - Weak secret 4% 11815 25 Jrmbt 6 21 August 2019
pas_valide Java - Custom gadget deserialization 1% 165 50 Elweth 0 28 December 2023
pas_valide Java - Server-side Template Injection 4% 10571 30 righettod 6 29 November 2015
pas_valide Java - Spring Boot 1% 2326 40 dvor4x 3 24 December 2016
pas_valide LDAP injection - Authentication 3% 10318 35 g0uZ 8 26 May 2013
pas_valide LDAP injection - Blind 1% 3454 55 g0uZ 2 8 June 2013
pas_valide Local File Inclusion 8% 25415 30 g0uZ 4 2 October 2011
pas_valide Local File Inclusion - Double encoding 4% 12773 30 zM_ 4 13 June 2016
pas_valide Local File Inclusion - Wrappers 2% 3626 40 sambecks 4 2 March 2016
pas_valide Nginx - Alias Misconfiguration 1% 1724 15 .Yo0x 2 27 September 2024
pas_valide Nginx - Root Location Misconfiguration 1% 163 15 .Yo0x 0 27 September 2024
pas_valide Nginx - SSRF Misconfiguration 1% 61 30 .Yo0x 0 27 September 2024
pas_valide NoSQL injection - Authentication 3% 7662 35 mastho 8 31 May 2015
pas_valide NoSQL injection - Blind 1% 3007 45 ghozt 6 26 November 2016
pas_valide Node - Eval 1% 2910 30 Mhd_Root 7 24 February 2021
pas_valide Node - Serialize 1% 1266 35 Mhd_Root 2 24 February 2021
pas_valide NodeJS - Prototype Pollution Bypass 1% 527 45 Worty 1 22 October 2021
pas_valide NodeJS - vm escape 1% 735 50 Podalirius 1 15 April 2021
pas_valide PHP - Apache configuration 1% 2349 25 erk3 , nemoz 3 8 July 2022
pas_valide PHP - Command injection 19% 65664 10 sambecks 10 20 September 2017
pas_valide PHP - Eval 2% 3612 40 chmod 10 8 November 2018
pas_valide PHP - Eval - Advanced filters bypass 1% 593 40 Podalirius 2 8 July 2022
pas_valide PHP - Filters 6% 19567 25 g0uZ 3 27 February 2011
pas_valide PHP - Loose Comparison 3% 7246 30 ghozt 4 10 January 2018
pas_valide PHP - Path Truncation 2% 5438 35 Geluchat 6 25 March 2015
pas_valide PHP - Remote Xdebug 1% 1489 25 mayfly 4 18 March 2020
pas_valide PHP - Serialization 2% 6716 35 Arod 3 3 February 2014
pas_valide PHP - Unserialize Pop Chain 1% 679 55 Worty 2 22 October 2021
pas_valide PHP - Unserialize overflow 1% 774 55 mayfly 2 4 April 2020
pas_valide PHP - assert() 5% 15337 25 Birdy42 10 26 November 2016
pas_valide PHP - preg_replace() 3% 9019 30 sambecks 4 2 March 2016
pas_valide PHP - register globals 5% 15772 25 g0uZ 2 8 October 2011
pas_valide PHP - type juggling 3% 8822 30 vic 4 10 March 2016
pas_valide Python - Blind SSTI Filters Bypass 1% 653 75 Podalirius 5 7 September 2021
pas_valide Python - Server-side Template Injection Introduction 2% 4446 25 Podalirius 7 7 September 2021
pas_valide Python - dotenv 1% 24 70 jrjgjk 0 27 September 2024
pas_valide Remote File Inclusion 4% 11726 30 g0uZ 8 25 November 2015
pas_valide SQL Injection - Routed 2% 5380 35 soka 5 24 December 2016
pas_valide SQL Injection - Second Order 1% 206 55 k4ndar3c 1 29 November 2023
pas_valide SQL Truncation 2% 6741 35 Geluchat 2 1 May 2015
pas_valide SQL injection - Authentication 14% 45540 30 g0uZ 11 27 February 2011
pas_valide SQL injection - Authentication - GBK 3% 9718 30 dvor4x 4 2 December 2015
pas_valide SQL injection - Blind 3% 7642 50 g0uZ 6 27 February 2011
pas_valide SQL injection - Error 3% 7816 40 sambecks 5 4 March 2015
pas_valide SQL injection - File reading 2% 6015 40 Arod 3 19 October 2014
pas_valide SQL injection - Filter bypass 1% 2870 80 sambecks 7 21 July 2014
pas_valide SQL injection - Insert 1% 3172 40 sambecks 4 23 February 2015
pas_valide SQL injection - Numeric 5% 14981 35 g0uZ 7 24 December 2012
pas_valide SQL injection - String 7% 21722 30 g0uZ 10 24 December 2012
pas_valide SQL injection - Time based 2% 5772 45 ycam 4 11 September 2015
pas_valide Server Side Request Forgery 1% 1893 50 sambecks 7 22 June 2018
pas_valide Weak password 32% 108934 10 g0uZ 7 3 October 2006
pas_valide XML External Entity 2% 5628 35 sambecks 2 20 October 2014
pas_valide XPath injection - Authentication 2% 6591 35 g0uZ 6 27 December 2012
pas_valide XPath injection - Blind 1% 2334 75 g0uZ 5 27 December 2012
pas_valide XPath injection - String 2% 3914 40 g0uZ 5 26 May 2013
pas_valide XSLT - Code execution 2% 3709 30 ghozt 5 16 July 2017
pas_valide XSS - Server Side 1% 2591 20 Elf 4 23 June 2023
pas_valide Yaml - Deserialization 1% 1387 35 Nishacid 2 20 April 2021

Challenge Results Challenge Results

Pseudo Challenge Lang Date
MagikShoot Web - Serveur  File upload - Double extensions fr 6 January 2025 at 17:32
Mike Web - Server  HTTP - User-agent en 6 January 2025 at 17:31
louissTNT Web - Serveur  JWT - Secret faible fr 6 January 2025 at 17:22
rick Web - Serveur  HTML - Code source fr 6 January 2025 at 17:15
ArTycho Web - Serveur  PHP - Filters fr 6 January 2025 at 17:12
Test1234 Web - Serveur  HTTP - POST fr 6 January 2025 at 17:04
Abu Web - Serveur  HTTP - POST fr 6 January 2025 at 17:02
kezodoh Web - Server  HTML - Source code en 6 January 2025 at 17:01
Nono Web - Serveur  Local File Inclusion fr 6 January 2025 at 16:58
hug0 Web - Serveur  File upload - Null byte fr 6 January 2025 at 16:56