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% 166164 5 g0uZ 5 3 October 2006
pas_valide Weak password 32% 107728 10 g0uZ 7 3 October 2006
pas_valide PHP - Command injection 19% 64798 10 sambecks 10 20 September 2017
pas_valide HTTP - IP restriction bypass 8% 27534 10 Cyrhades 7 23 March 2021
pas_valide HTTP - User-agent 24% 81994 10 g0uZ 10 3 October 2006
pas_valide HTTP - Open redirect 19% 65213 10 Swissky 10 2 August 2017
pas_valide API - Broken Access 2% 3713 15 Nishacid , Mika 2 18 January 2024
pas_valide Backup file 16% 53345 15 g0uZ 10 27 February 2011
pas_valide HTTP - Directory indexing 22% 75906 15 g0uZ 7 7 October 2006
pas_valide HTTP - Headers 16% 53500 15 Arod 9 11 January 2015
pas_valide HTTP - POST 14% 48266 15 Th1b4ud 10 14 August 2018
pas_valide HTTP - Improper redirect 13% 41686 15 Arod 10 26 November 2014
pas_valide HTTP - Verb tampering 14% 45429 15 g0uZ 10 3 February 2011
pas_valide Install files 13% 42904 15 g0uZ 6 7 October 2006
pas_valide Nginx - Alias Misconfiguration 1% 1308 15 .Yo0x 2 27 September 2024
pas_valide Nginx - Root Location Misconfiguration 1% 137 15 .Yo0x 0 27 September 2024
pas_valide GraphQL - Introspection 2% 3473 20 apges01 4 19 January 2023
pas_valide XSS - Server Side 1% 2462 20 Elf 4 23 June 2023
pas_valide Insecure Code Management 4% 13414 20 Swissky 6 29 September 2019
pas_valide JWT - Introduction 5% 16768 20 Kn0wledge 5 21 August 2019
pas_valide Flask - Unsecure session 1% 2282 20 Sanlokii 1 29 November 2023
pas_valide API - Mass Assignment 1% 2389 20 Nishacid , Mika 2 18 January 2024
pas_valide File upload - MIME type 8% 27469 20 g0uZ 10 26 December 2012
pas_valide HTTP - Cookies 13% 44740 20 g0uZ 8 7 October 2006
pas_valide CRLF 10% 31225 20 g0uZ 7 31 July 2011
pas_valide File upload - Double extensions 10% 34335 20 g0uZ 10 24 December 2012
pas_valide PHP - assert() 5% 15198 25 Birdy42 10 26 November 2016
pas_valide Python - Server-side Template Injection Introduction 2% 4290 25 Podalirius 7 7 September 2021
pas_valide PHP - Remote Xdebug 1% 1474 25 mayfly 4 18 March 2020
pas_valide PHP - Filters 6% 19383 25 g0uZ 3 27 February 2011
pas_valide PHP - register globals 5% 15622 25 g0uZ 2 8 October 2011
pas_valide JWT - Unsecure File Signature 1% 2007 25 Nishacid , Mika 3 23 February 2023
pas_valide JWT - Weak secret 4% 11583 25 Jrmbt 6 21 August 2019
pas_valide JWT - Revoked token 2% 5828 25 ArnC 6 20 March 2020
pas_valide File upload - Null byte 7% 23441 25 g0uZ 4 26 December 2012
pas_valide Directory traversal 11% 34628 25 g0uZ 3 31 July 2011
pas_valide PHP - Apache configuration 1% 2269 25 erk3 , nemoz 3 8 July 2022
pas_valide Node - Eval 1% 2855 30 Mhd_Root 7 24 February 2021
pas_valide XSLT - Code execution 2% 3665 30 ghozt 5 16 July 2017
pas_valide SQL injection - String 7% 21304 30 g0uZ 10 24 December 2012
pas_valide SQL injection - Authentication - GBK 3% 9475 30 dvor4x 4 2 December 2015
pas_valide SQL injection - Authentication 13% 44904 30 g0uZ 11 27 February 2011
pas_valide Remote File Inclusion 4% 11622 30 g0uZ 8 25 November 2015
pas_valide PHP - type juggling 3% 8761 30 vic 4 10 March 2016
pas_valide PHP - preg_replace() 3% 8941 30 sambecks 4 2 March 2016
pas_valide PHP - Loose Comparison 3% 7173 30 ghozt 4 10 January 2018
pas_valide Nginx - SSRF Misconfiguration 1% 51 30 .Yo0x 0 27 September 2024
pas_valide Local File Inclusion 8% 25127 30 g0uZ 4 2 October 2011
pas_valide JWT - Header Injection 1% 1107 30 Nishacid , Mika 2 23 February 2023
pas_valide JWT - Public key 2% 3748 30 Jrmbt 5 21 August 2019
pas_valide Java - Server-side Template Injection 4% 10479 30 righettod 6 29 November 2015
pas_valide Command injection - Filter bypass 3% 7518 30 sambecks 6 20 September 2017
pas_valide GraphQL - Injection 1% 706 30 apges01 2 19 January 2023
pas_valide Flask - Development server 1% 849 30 Sanlokii 1 29 November 2023
pas_valide File upload - ZIP 3% 9419 30 ghozt 3 3 August 2017
pas_valide Local File Inclusion - Double encoding 4% 12647 30 zM_ 4 13 June 2016
pas_valide SQL injection - Numeric 5% 14696 35 g0uZ 7 24 December 2012
pas_valide Yaml - Deserialization 1% 1358 35 Nishacid 2 20 April 2021
pas_valide XPath injection - Authentication 2% 6519 35 g0uZ 6 27 December 2012
pas_valide XML External Entity 2% 5499 35 sambecks 2 20 October 2014
pas_valide SQL Truncation 2% 6573 35 Geluchat 2 1 May 2015
pas_valide SQL Injection - Routed 2% 5220 35 soka 5 24 December 2016
pas_valide NoSQL injection - Authentication 3% 7609 35 mastho 8 31 May 2015
pas_valide PHP - Serialization 2% 6656 35 Arod 3 3 February 2014
pas_valide PHP - Path Truncation 2% 5384 35 Geluchat 6 25 March 2015
pas_valide Node - Serialize 1% 1238 35 Mhd_Root 2 24 February 2021
pas_valide LDAP injection - Authentication 3% 10180 35 g0uZ 8 26 May 2013
pas_valide JWT - Unsecure Key Handling 1% 727 35 Nishacid , Mika 5 23 February 2023
pas_valide Elixir - EEx 1% 243 35 lolo42 1 29 November 2023
pas_valide PHP - Eval - Advanced filters bypass 1% 580 40 Podalirius 2 8 July 2022
pas_valide XPath injection - String 2% 3874 40 g0uZ 5 26 May 2013
pas_valide SQL injection - File reading 2% 5893 40 Arod 3 19 October 2014
pas_valide SQL injection - Insert 1% 3136 40 sambecks 4 23 February 2015
pas_valide SQL injection - Error 3% 7569 40 sambecks 5 4 March 2015
pas_valide GraphQL - Mutation 1% 1535 40 CanardMandarin 2 20 October 2020
pas_valide PHP - Eval 2% 3558 40 chmod 10 8 November 2018
pas_valide Local File Inclusion - Wrappers 2% 3581 40 sambecks 4 2 March 2016
pas_valide Java - Spring Boot 1% 2312 40 dvor4x 3 24 December 2016
pas_valide GraphQL - Backend injection 1% 408 40 apges01 1 19 January 2023
pas_valide API - Broken Access 2 1% 360 40 Nishacid , Mika 1 18 January 2024
pas_valide File upload - Polyglot 1% 436 45 Cyxo 1 8 July 2022
pas_valide NodeJS - Prototype Pollution Bypass 1% 512 45 Worty 1 22 October 2021
pas_valide NoSQL injection - Blind 1% 2960 45 ghozt 6 26 November 2016
pas_valide SQL injection - Time based 2% 5602 45 ycam 4 11 September 2015
pas_valide SQL injection - Blind 3% 7491 50 g0uZ 6 27 February 2011
pas_valide NodeJS - vm escape 1% 727 50 Podalirius 1 15 April 2021
pas_valide Server Side Request Forgery 1% 1864 50 sambecks 7 22 June 2018
pas_valide Java - Custom gadget deserialization 1% 150 50 Elweth 0 28 December 2023
pas_valide LDAP injection - Blind 1% 3407 55 g0uZ 2 8 June 2013
pas_valide PHP - Unserialize overflow 1% 760 55 mayfly 2 4 April 2020
pas_valide PHP - Unserialize Pop Chain 1% 652 55 Worty 2 22 October 2021
pas_valide SQL Injection - Second Order 1% 199 55 k4ndar3c 1 29 November 2023
pas_valide Python - dotenv 1% 21 70 jrjgjk 0 27 September 2024
pas_valide Python - Blind SSTI Filters Bypass 1% 637 75 Podalirius 5 7 September 2021
pas_valide XPath injection - Blind 1% 2295 75 g0uZ 5 27 December 2012
pas_valide SQL injection - Filter bypass 1% 2721 80 sambecks 7 21 July 2014

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Lastkai Web - Serveur  JWT - Secret faible fr 24 November 2024 at 21:17
sgouzi Web - Server  HTTP - POST en 24 November 2024 at 21:12
aminebrd Web - Server  HTTP - POST en 24 November 2024 at 21:07
aminebrd Web - Server  HTTP - User-agent en 24 November 2024 at 21:01
patcho55 Web - Serveur  HTTP - Redirection invalide fr 24 November 2024 at 20:59
sneaXOR Web - Server  PHP - register globals en 24 November 2024 at 20:58
DayUwUx Web - Serveur  Nginx - Alias Misconfiguration fr 24 November 2024 at 20:51
DayUwUx Web - Serveur  API - Broken Access fr 24 November 2024 at 20:45
Blackya Web - Serveur  Yaml - Deserialization fr 24 November 2024 at 20:44
ekazuki Web - Serveur  Node - Serialize fr 24 November 2024 at 20:42