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% 166747 5 g0uZ 5 3 October 2006
pas_valide Weak password 32% 108125 10 g0uZ 7 3 October 2006
pas_valide HTTP - User-agent 24% 82334 10 g0uZ 10 3 October 2006
pas_valide HTTP - Directory indexing 22% 76161 15 g0uZ 7 7 October 2006
pas_valide HTTP - Open redirect 19% 65488 10 Swissky 10 2 August 2017
pas_valide PHP - Command injection 19% 65078 10 sambecks 10 20 September 2017
pas_valide HTTP - Headers 16% 53685 15 Arod 9 11 January 2015
pas_valide Backup file 16% 53486 15 g0uZ 10 27 February 2011
pas_valide HTTP - POST 14% 48464 15 Th1b4ud 10 14 August 2018
pas_valide HTTP - Verb tampering 14% 45580 15 g0uZ 10 3 February 2011
pas_valide SQL injection - Authentication 14% 45174 30 g0uZ 11 27 February 2011
pas_valide HTTP - Cookies 13% 44879 20 g0uZ 8 7 October 2006
pas_valide Install files 13% 43029 15 g0uZ 6 7 October 2006
pas_valide HTTP - Improper redirect 13% 41827 15 Arod 10 26 November 2014
pas_valide Directory traversal 11% 34751 25 g0uZ 3 31 July 2011
pas_valide File upload - Double extensions 10% 34421 20 g0uZ 10 24 December 2012
pas_valide CRLF 10% 31309 20 g0uZ 7 31 July 2011
pas_valide HTTP - IP restriction bypass 9% 27825 10 Cyrhades 7 23 March 2021
pas_valide File upload - MIME type 8% 27548 20 g0uZ 10 26 December 2012
pas_valide Local File Inclusion 8% 25195 30 g0uZ 4 2 October 2011
pas_valide File upload - Null byte 7% 23509 25 g0uZ 4 26 December 2012
pas_valide SQL injection - String 7% 21484 30 g0uZ 10 24 December 2012
pas_valide PHP - Filters 6% 19439 25 g0uZ 3 27 February 2011
pas_valide JWT - Introduction 5% 16854 20 Kn0wledge 5 21 August 2019
pas_valide PHP - register globals 5% 15662 25 g0uZ 2 8 October 2011
pas_valide PHP - assert() 5% 15237 25 Birdy42 10 26 November 2016
pas_valide SQL injection - Numeric 5% 14851 35 g0uZ 7 24 December 2012
pas_valide Insecure Code Management 4% 13466 20 Swissky 6 29 September 2019
pas_valide Local File Inclusion - Double encoding 4% 12680 30 zM_ 4 13 June 2016
pas_valide Remote File Inclusion 4% 11651 30 g0uZ 8 25 November 2015
pas_valide JWT - Weak secret 4% 11645 25 Jrmbt 6 21 August 2019
pas_valide Java - Server-side Template Injection 4% 10506 30 righettod 6 29 November 2015
pas_valide LDAP injection - Authentication 3% 10220 35 g0uZ 8 26 May 2013
pas_valide SQL injection - Authentication - GBK 3% 9627 30 dvor4x 4 2 December 2015
pas_valide File upload - ZIP 3% 9452 30 ghozt 3 3 August 2017
pas_valide PHP - preg_replace() 3% 8969 30 sambecks 4 2 March 2016
pas_valide PHP - type juggling 3% 8782 30 vic 4 10 March 2016
pas_valide SQL injection - Error 3% 7712 40 sambecks 5 4 March 2015
pas_valide NoSQL injection - Authentication 3% 7626 35 mastho 8 31 May 2015
pas_valide Command injection - Filter bypass 3% 7535 30 sambecks 6 20 September 2017
pas_valide SQL injection - Blind 3% 7532 50 g0uZ 6 27 February 2011
pas_valide PHP - Loose Comparison 3% 7194 30 ghozt 4 10 January 2018
pas_valide SQL Truncation 2% 6691 35 Geluchat 2 1 May 2015
pas_valide PHP - Serialization 2% 6672 35 Arod 3 3 February 2014
pas_valide XPath injection - Authentication 2% 6549 35 g0uZ 6 27 December 2012
pas_valide SQL injection - File reading 2% 5998 40 Arod 3 19 October 2014
pas_valide JWT - Revoked token 2% 5870 25 ArnC 6 20 March 2020
pas_valide SQL injection - Time based 2% 5725 45 ycam 4 11 September 2015
pas_valide XML External Entity 2% 5524 35 sambecks 2 20 October 2014
pas_valide PHP - Path Truncation 2% 5401 35 Geluchat 6 25 March 2015
pas_valide SQL Injection - Routed 2% 5334 35 soka 5 24 December 2016
pas_valide Python - Server-side Template Injection Introduction 2% 4328 25 Podalirius 7 7 September 2021
pas_valide XPath injection - String 2% 3882 40 g0uZ 5 26 May 2013
pas_valide API - Broken Access 2% 3813 15 Nishacid , Mika 2 18 January 2024
pas_valide JWT - Public key 2% 3766 30 Jrmbt 5 21 August 2019
pas_valide XSLT - Code execution 2% 3676 30 ghozt 5 16 July 2017
pas_valide Local File Inclusion - Wrappers 2% 3593 40 sambecks 4 2 March 2016
pas_valide PHP - Eval 2% 3569 40 chmod 10 8 November 2018
pas_valide GraphQL - Introspection 2% 3516 20 apges01 4 19 January 2023
pas_valide LDAP injection - Blind 1% 3422 55 g0uZ 2 8 June 2013
pas_valide SQL injection - Insert 1% 3147 40 sambecks 4 23 February 2015
pas_valide NoSQL injection - Blind 1% 2976 45 ghozt 6 26 November 2016
pas_valide Node - Eval 1% 2871 30 Mhd_Root 7 24 February 2021
pas_valide SQL injection - Filter bypass 1% 2835 80 sambecks 7 21 July 2014
pas_valide XSS - Server Side 1% 2509 20 Elf 4 23 June 2023
pas_valide API - Mass Assignment 1% 2480 20 Nishacid , Mika 2 18 January 2024
pas_valide Flask - Unsecure session 1% 2337 20 Sanlokii 1 29 November 2023
pas_valide Java - Spring Boot 1% 2315 40 dvor4x 3 24 December 2016
pas_valide XPath injection - Blind 1% 2314 75 g0uZ 5 27 December 2012
pas_valide PHP - Apache configuration 1% 2281 25 erk3 , nemoz 3 8 July 2022
pas_valide JWT - Unsecure File Signature 1% 2033 25 Nishacid , Mika 3 23 February 2023
pas_valide Server Side Request Forgery 1% 1873 50 sambecks 7 22 June 2018
pas_valide GraphQL - Mutation 1% 1542 40 CanardMandarin 2 20 October 2020
pas_valide PHP - Remote Xdebug 1% 1479 25 mayfly 4 18 March 2020
pas_valide Nginx - Alias Misconfiguration 1% 1430 15 .Yo0x 2 27 September 2024
pas_valide Yaml - Deserialization 1% 1364 35 Nishacid 2 20 April 2021
pas_valide Node - Serialize 1% 1248 35 Mhd_Root 2 24 February 2021
pas_valide JWT - Header Injection 1% 1116 30 Nishacid , Mika 2 23 February 2023
pas_valide Flask - Development server 1% 866 30 Sanlokii 1 29 November 2023
pas_valide PHP - Unserialize overflow 1% 765 55 mayfly 2 4 April 2020
pas_valide JWT - Unsecure Key Handling 1% 733 35 Nishacid , Mika 5 23 February 2023
pas_valide NodeJS - vm escape 1% 730 50 Podalirius 1 15 April 2021
pas_valide GraphQL - Injection 1% 714 30 apges01 2 19 January 2023
pas_valide PHP - Unserialize Pop Chain 1% 661 55 Worty 2 22 October 2021
pas_valide Python - Blind SSTI Filters Bypass 1% 639 75 Podalirius 5 7 September 2021
pas_valide PHP - Eval - Advanced filters bypass 1% 584 40 Podalirius 2 8 July 2022
pas_valide NodeJS - Prototype Pollution Bypass 1% 517 45 Worty 1 22 October 2021
pas_valide File upload - Polyglot 1% 438 45 Cyxo 1 8 July 2022
pas_valide GraphQL - Backend injection 1% 416 40 apges01 1 19 January 2023
pas_valide API - Broken Access 2 1% 374 40 Nishacid , Mika 1 18 January 2024
pas_valide Elixir - EEx 1% 246 35 lolo42 1 29 November 2023
pas_valide SQL Injection - Second Order 1% 200 55 k4ndar3c 1 29 November 2023
pas_valide Java - Custom gadget deserialization 1% 155 50 Elweth 0 28 December 2023
pas_valide Nginx - Root Location Misconfiguration 1% 143 15 .Yo0x 0 27 September 2024
pas_valide Nginx - SSRF Misconfiguration 1% 52 30 .Yo0x 0 27 September 2024
pas_valide Python - dotenv 1% 21 70 jrjgjk 0 27 September 2024

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Neajflow Web - Serveur  HTTP - Contournement de filtrage IP fr 4 December 2024 at 19:41
vlad Web - Server  SQL injection - Authentication en 4 December 2024 at 19:40
EricStJean Web - Serveur  Mot de passe faible fr 4 December 2024 at 19:36
Ed. Web - Server  JWT - Introduction en 4 December 2024 at 19:35
EricStJean Web - Serveur  HTML - Code source fr 4 December 2024 at 19:34
Coco Web - Serveur  HTML - Code source fr 4 December 2024 at 19:28
Gio Web - Serveur  Nginx - Alias Misconfiguration fr 4 December 2024 at 19:26
GUIKKS Web - Serveur  SQL injection - Authentification fr 4 December 2024 at 19:19
Jeff Web - Serveur  HTML - Code source fr 4 December 2024 at 19:14
flode Web - Serveur  HTTP - Contournement de filtrage IP fr 4 December 2024 at 19:13