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% 164410 5 g0uZ 5 3 October 2006
pas_valide HTTP - User-agent 24% 81024 10 g0uZ 10 3 October 2006
pas_valide Weak password 32% 106650 10 g0uZ 7 3 October 2006
pas_valide HTTP - Directory indexing 23% 75150 15 g0uZ 7 7 October 2006
pas_valide Install files 13% 42544 15 g0uZ 6 7 October 2006
pas_valide HTTP - Cookies 13% 44373 20 g0uZ 8 7 October 2006
pas_valide HTTP - Verb tampering 14% 45044 15 g0uZ 10 3 February 2011
pas_valide SQL injection - Authentication 14% 44501 30 g0uZ 11 27 February 2011
pas_valide SQL injection - Blind 3% 7393 50 g0uZ 6 27 February 2011
pas_valide Backup file 16% 52930 15 g0uZ 10 27 February 2011
pas_valide PHP - Filters 6% 19207 25 g0uZ 3 27 February 2011
pas_valide CRLF 10% 30974 20 g0uZ 7 31 July 2011
pas_valide Directory traversal 11% 34340 25 g0uZ 3 31 July 2011
pas_valide Local File Inclusion 8% 24959 30 g0uZ 4 2 October 2011
pas_valide PHP - register globals 5% 15486 25 g0uZ 2 8 October 2011
pas_valide SQL injection - Numeric 5% 14551 35 g0uZ 7 24 December 2012
pas_valide File upload - Double extensions 10% 34057 20 g0uZ 10 24 December 2012
pas_valide SQL injection - String 7% 21099 30 g0uZ 10 24 December 2012
pas_valide File upload - MIME type 8% 27237 20 g0uZ 10 26 December 2012
pas_valide File upload - Null byte 7% 23251 25 g0uZ 4 26 December 2012
pas_valide XPath injection - Authentication 2% 6467 35 g0uZ 6 27 December 2012
pas_valide XPath injection - Blind 1% 2273 75 g0uZ 5 27 December 2012
pas_valide XPath injection - String 2% 3839 40 g0uZ 5 26 May 2013
pas_valide LDAP injection - Authentication 3% 10088 35 g0uZ 8 26 May 2013
pas_valide LDAP injection - Blind 1% 3371 55 g0uZ 2 8 June 2013
pas_valide PHP - Serialization 2% 6612 35 Arod 3 3 February 2014
pas_valide SQL injection - Filter bypass 1% 2662 80 sambecks 7 21 July 2014
pas_valide SQL injection - File reading 2% 5885 40 Arod 3 19 October 2014
pas_valide XML External Entity 2% 5443 35 sambecks 2 20 October 2014
pas_valide HTTP - Improper redirect 13% 41306 15 Arod 10 26 November 2014
pas_valide HTTP - Headers 16% 53000 15 Arod 9 11 January 2015
pas_valide SQL injection - Insert 1% 3109 40 sambecks 4 23 February 2015
pas_valide SQL injection - Error 3% 7475 40 sambecks 5 4 March 2015
pas_valide PHP - Path Truncation 2% 5342 35 Geluchat 6 25 March 2015
pas_valide SQL Truncation 2% 6485 35 Geluchat 2 1 May 2015
pas_valide NoSQL injection - Authentication 3% 7553 35 mastho 8 31 May 2015
pas_valide SQL injection - Time based 2% 5541 45 ycam 4 11 September 2015
pas_valide Remote File Inclusion 4% 11557 30 g0uZ 8 25 November 2015
pas_valide Java - Server-side Template Injection 4% 10394 30 righettod 6 29 November 2015
pas_valide SQL injection - Authentication - GBK 3% 9362 30 dvor4x 4 2 December 2015
pas_valide PHP - preg_replace() 3% 8889 30 sambecks 4 2 March 2016
pas_valide Local File Inclusion - Wrappers 2% 3552 40 sambecks 4 2 March 2016
pas_valide PHP - type juggling 3% 8712 30 vic 4 10 March 2016
pas_valide Local File Inclusion - Double encoding 4% 12553 30 zM_ 4 13 June 2016
pas_valide PHP - assert() 5% 15067 25 Birdy42 10 26 November 2016
pas_valide NoSQL injection - Blind 1% 2919 45 ghozt 6 26 November 2016
pas_valide SQL Injection - Routed 2% 5156 35 soka 5 24 December 2016
pas_valide Java - Spring Boot 1% 2299 40 dvor4x 3 24 December 2016
pas_valide XSLT - Code execution 2% 3638 30 ghozt 5 16 July 2017
pas_valide HTTP - Open redirect 19% 64424 10 Swissky 10 2 August 2017
pas_valide File upload - ZIP 3% 9309 30 ghozt 3 3 August 2017
pas_valide PHP - Command injection 19% 64027 10 sambecks 10 20 September 2017
pas_valide Command injection - Filter bypass 3% 7454 30 sambecks 6 20 September 2017
pas_valide PHP - Loose Comparison 3% 7117 30 ghozt 4 10 January 2018
pas_valide Server Side Request Forgery 1% 1809 50 sambecks 7 22 June 2018
pas_valide HTTP - POST 14% 47730 15 Th1b4ud 10 14 August 2018
pas_valide PHP - Eval 2% 3519 40 chmod 10 8 November 2018
pas_valide JWT - Public key 2% 3685 30 Jrmbt 5 21 August 2019
pas_valide JWT - Weak secret 4% 11413 25 Jrmbt 6 21 August 2019
pas_valide JWT - Introduction 5% 16527 20 Kn0wledge 5 21 August 2019
pas_valide Insecure Code Management 4% 13249 20 Swissky 6 29 September 2019
pas_valide PHP - Remote Xdebug 1% 1456 25 mayfly 4 18 March 2020
pas_valide JWT - Revoked token 2% 5720 25 ArnC 6 20 March 2020
pas_valide PHP - Unserialize overflow 1% 752 55 mayfly 2 4 April 2020
pas_valide GraphQL - Mutation 1% 1513 40 CanardMandarin 2 20 October 2020
pas_valide Node - Eval 1% 2805 30 Mhd_Root 7 24 February 2021
pas_valide Node - Serialize 1% 1219 35 Mhd_Root 2 24 February 2021
pas_valide HTTP - IP restriction bypass 8% 26664 10 Cyrhades 7 23 March 2021
pas_valide NodeJS - vm escape 1% 712 50 Podalirius 1 15 April 2021
pas_valide Yaml - Deserialization 1% 1329 35 Nishacid 2 20 April 2021
pas_valide Python - Server-side Template Injection Introduction 2% 4195 25 Podalirius 7 7 September 2021
pas_valide Python - Blind SSTI Filters Bypass 1% 612 75 Podalirius 5 7 September 2021
pas_valide NodeJS - Prototype Pollution Bypass 1% 499 45 Worty 1 22 October 2021
pas_valide PHP - Unserialize Pop Chain 1% 639 55 Worty 2 22 October 2021
pas_valide PHP - Apache configuration 1% 2212 25 erk3 , nemoz 3 8 July 2022
pas_valide PHP - Eval - Advanced filters bypass 1% 567 40 Podalirius 2 8 July 2022
pas_valide File upload - Polyglot 1% 420 45 Cyxo 1 8 July 2022
pas_valide GraphQL - Introspection 1% 3362 20 apges01 4 19 January 2023
pas_valide GraphQL - Injection 1% 676 30 apges01 2 19 January 2023
pas_valide GraphQL - Backend injection 1% 391 40 apges01 1 19 January 2023
pas_valide JWT - Unsecure File Signature 1% 1926 25 Nishacid , Mika 3 23 February 2023
pas_valide JWT - Header Injection 1% 1071 30 Nishacid , Mika 2 23 February 2023
pas_valide JWT - Unsecure Key Handling 1% 710 35 Nishacid , Mika 5 23 February 2023
pas_valide XSS - Server Side 1% 2314 20 Elf 4 23 June 2023
pas_valide SQL Injection Second Order 1% 182 55 k4ndar3c 1 29 November 2023
pas_valide Flask - Development server 1% 772 30 Sanlokii 1 29 November 2023
pas_valide Elixir - EEx 1% 226 35 lolo42 1 29 November 2023
pas_valide Flask - Unsecure session 1% 2120 20 Sanlokii 1 29 November 2023
pas_valide Java - Custom gadget deserialization 1% 130 50 Elweth 0 28 December 2023
pas_valide API - Broken Access 1% 3291 15 Nishacid , Mika 2 18 January 2024
pas_valide API - Mass Assignment 1% 2178 20 Nishacid , Mika 2 18 January 2024
pas_valide API - Broken Access 2 1% 308 40 Nishacid , Mika 1 18 January 2024
pas_valide Python - dotenv 1% 17 70 jrjgjk 0 27 September 2024
pas_valide Nginx - SSRF Misconfiguration 1% 45 30 .Yo0x 0 27 September 2024
pas_valide Nginx - Root Location Misconfiguration 1% 111 15 .Yo0x 0 27 September 2024
pas_valide Nginx - Alias Misconfiguration 1% 801 15 .Yo0x 1 27 September 2024

Challenge Results Challenge Results

Pseudo Challenge Lang Date
robertschumann Web - Server  HTTP - User-agent en 18 October 2024 at 10:25
boya Web - Serveur  Server Side Request Forgery fr 18 October 2024 at 10:21
BenTrot Web - Serveur  JWT - Unsecure File Signature fr 18 October 2024 at 10:21
roger Web - Server  Nginx - Alias Misconfiguration en 18 October 2024 at 10:18
vokE Web - Server  SQL Injection - Routed es 18 October 2024 at 10:16
roger Web - Server  PHP - Command injection en 18 October 2024 at 10:15
Kawiidax Web - Serveur  File upload - Double extensions fr 18 October 2024 at 10:15
apognu Web - Serveur  PHP - Sérialisation fr 18 October 2024 at 10:13
roger Web - Server  HTML - Source code en 18 October 2024 at 10:12
Mcrash01 Web - Serveur  HTTP - User-agent fr 18 October 2024 at 10:10