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 Java - Custom gadget deserialization 1% 203 50 Elweth 0 28 December 2023
pas_valide Python - dotenv 1% 76 70 jrjgjk 0 27 September 2024
pas_valide Nginx - SSRF Misconfiguration 1% 209 30 .Yo0x 0 27 September 2024
pas_valide Nginx - Root Location Misconfiguration 1% 757 15 .Yo0x 0 27 September 2024
pas_valide API - Broken Access 2 1% 549 40 Nishacid , Mika 1 18 January 2024
pas_valide Flask - Development server 1% 1071 30 Sanlokii 1 29 November 2023
pas_valide GraphQL - Backend injection 1% 465 40 apges01 1 19 January 2023
pas_valide Elixir - EEx 1% 308 35 lolo42 1 29 November 2023
pas_valide File upload - Polyglot 1% 488 45 Cyxo 1 8 July 2022
pas_valide NodeJS - Prototype Pollution Bypass 1% 568 45 Worty 1 22 October 2021
pas_valide Flask - Unsecure session 1% 2907 20 Sanlokii 1 29 November 2023
pas_valide NodeJS - vm escape 1% 784 50 Podalirius 1 15 April 2021
pas_valide SQL Injection - Second Order 1% 237 55 k4ndar3c 1 29 November 2023
pas_valide GraphQL - Mutation 1% 1612 40 CanardMandarin 2 20 October 2020
pas_valide PHP - register globals 5% 16088 25 g0uZ 2 8 October 2011
pas_valide PHP - Eval - Advanced filters bypass 1% 636 40 Podalirius 2 8 July 2022
pas_valide XML External Entity 2% 5768 35 sambecks 2 20 October 2014
pas_valide SQL Truncation 2% 6906 35 Geluchat 2 1 May 2015
pas_valide Node - Serialize 1% 1339 35 Mhd_Root 2 24 February 2021
pas_valide Yaml - Deserialization 1% 1464 35 Nishacid 2 20 April 2021
pas_valide GraphQL - Injection 1% 846 30 apges01 2 19 January 2023
pas_valide PHP - Unserialize Pop Chain 1% 732 55 Worty 2 22 October 2021
pas_valide API - Mass Assignment 1% 3234 20 Nishacid , Mika 2 18 January 2024
pas_valide PHP - Unserialize overflow 1% 800 55 mayfly 2 4 April 2020
pas_valide Nginx - Alias Misconfiguration 1% 2678 15 .Yo0x 2 27 September 2024
pas_valide LDAP injection - Blind 1% 3537 55 g0uZ 2 8 June 2013
pas_valide JWT - Header Injection 1% 1306 30 Nishacid , Mika 2 23 February 2023
pas_valide File upload - ZIP 3% 9808 30 ghozt 3 3 August 2017
pas_valide PHP - Filters 6% 19998 25 g0uZ 3 27 February 2011
pas_valide Directory traversal 10% 35856 25 g0uZ 3 31 July 2011
pas_valide JWT - Unsecure File Signature 1% 2419 25 Nishacid , Mika 3 23 February 2023
pas_valide Java - Spring Boot 1% 2384 40 dvor4x 3 24 December 2016
pas_valide PHP - Serialization 2% 6844 35 Arod 3 3 February 2014
pas_valide API - Broken Access 2% 5174 15 Nishacid , Mika 3 18 January 2024
pas_valide SQL injection - File reading 2% 6046 40 Arod 3 19 October 2014
pas_valide Local File Inclusion 8% 25953 30 g0uZ 4 2 October 2011
pas_valide Local File Inclusion - Double encoding 4% 13076 30 zM_ 4 13 June 2016
pas_valide PHP - preg_replace() 3% 9178 30 sambecks 4 2 March 2016
pas_valide SQL injection - Authentication - GBK 3% 10047 30 dvor4x 4 2 December 2015
pas_valide PHP - type juggling 3% 9015 30 vic 4 10 March 2016
pas_valide PHP - Loose Comparison 3% 7414 30 ghozt 4 10 January 2018
pas_valide File upload - Null byte 7% 24322 25 g0uZ 4 26 December 2012
pas_valide PHP - Remote Xdebug 1% 1535 25 mayfly 4 18 March 2020
pas_valide PHP - Apache configuration 1% 2578 25 erk3 , nemoz 4 8 July 2022
pas_valide Local File Inclusion - Wrappers 2% 3753 40 sambecks 4 2 March 2016
pas_valide XSS - Server Side 1% 2961 20 Elf 4 23 June 2023
pas_valide SQL injection - Insert 1% 3250 40 sambecks 4 23 February 2015
pas_valide GraphQL - Introspection 2% 3980 20 apges01 4 19 January 2023
pas_valide SQL injection - Time based 2% 5929 45 ycam 4 11 September 2015
pas_valide SQL injection - Error 3% 8096 40 sambecks 5 4 March 2015
pas_valide SQL Injection - Routed 2% 5535 35 soka 5 24 December 2016
pas_valide XPath injection - String 2% 4000 40 g0uZ 5 26 May 2013
pas_valide Python - Blind SSTI Filters Bypass 1% 699 75 Podalirius 5 7 September 2021
pas_valide XPath injection - Blind 1% 2412 75 g0uZ 5 27 December 2012
pas_valide JWT - Unsecure Key Handling 1% 851 35 Nishacid , Mika 5 23 February 2023
pas_valide HTML - Source code 48% 172458 5 g0uZ 5 3 October 2006
pas_valide XSLT - Code execution 2% 3799 30 ghozt 5 16 July 2017
pas_valide JWT - Public key 2% 3997 30 Jrmbt 5 21 August 2019
pas_valide JWT - Introduction 5% 17749 20 Kn0wledge 5 21 August 2019
pas_valide SQL injection - Blind 3% 7866 50 g0uZ 6 27 February 2011
pas_valide NoSQL injection - Blind 1% 3103 45 ghozt 6 26 November 2016
pas_valide Install files 13% 44390 15 g0uZ 6 7 October 2006
pas_valide JWT - Revoked token 2% 6349 25 ArnC 6 20 March 2020
pas_valide JWT - Weak secret 4% 12313 25 Jrmbt 6 21 August 2019
pas_valide Command injection - Filter bypass 3% 7810 30 sambecks 6 20 September 2017
pas_valide Java - Server-side Template Injection 4% 10887 30 righettod 6 29 November 2015
pas_valide Insecure Code Management 4% 14096 20 Swissky 6 29 September 2019
pas_valide XPath injection - Authentication 2% 6728 35 g0uZ 6 27 December 2012
pas_valide PHP - Path Truncation 2% 5529 35 Geluchat 6 25 March 2015
pas_valide Weak password 31% 111608 10 g0uZ 7 3 October 2006
pas_valide HTTP - Directory indexing 22% 78449 15 g0uZ 7 7 October 2006
pas_valide Server Side Request Forgery 1% 1959 50 sambecks 7 22 June 2018
pas_valide Node - Eval 1% 3053 30 Mhd_Root 7 24 February 2021
pas_valide CRLF 9% 32156 20 g0uZ 7 31 July 2011
pas_valide SQL injection - Filter bypass 1% 3018 80 sambecks 7 21 July 2014
pas_valide SQL injection - Numeric 5% 15406 35 g0uZ 7 24 December 2012
pas_valide HTTP - IP restriction bypass 9% 30373 10 Cyrhades 7 23 March 2021
pas_valide Python - Server-side Template Injection Introduction 2% 4780 25 Podalirius 7 7 September 2021
pas_valide NoSQL injection - Authentication 3% 7846 35 mastho 8 31 May 2015
pas_valide LDAP injection - Authentication 3% 10548 35 g0uZ 8 26 May 2013
pas_valide HTTP - Cookies 13% 46341 20 g0uZ 8 7 October 2006
pas_valide Remote File Inclusion 4% 12002 30 g0uZ 8 25 November 2015
pas_valide HTTP - Headers 16% 55460 15 Arod 9 11 January 2015
pas_valide HTTP - Open redirect 19% 67942 10 Swissky 10 2 August 2017
pas_valide HTTP - User-agent 24% 85339 10 g0uZ 10 3 October 2006
pas_valide PHP - Command injection 19% 67822 10 sambecks 10 20 September 2017
pas_valide Backup file 16% 54893 15 g0uZ 10 27 February 2011
pas_valide PHP - Eval 2% 3723 40 chmod 10 8 November 2018
pas_valide PHP - assert() 5% 15728 25 Birdy42 10 26 November 2016
pas_valide SQL injection - String 7% 22301 30 g0uZ 10 24 December 2012
pas_valide HTTP - Improper redirect 12% 43199 15 Arod 10 26 November 2014
pas_valide HTTP - Verb tampering 14% 46990 15 g0uZ 10 3 February 2011
pas_valide File upload - Double extensions 10% 35477 20 g0uZ 10 24 December 2012
pas_valide File upload - MIME type 8% 28528 20 g0uZ 10 26 December 2012
pas_valide HTTP - POST 14% 50394 15 Th1b4ud 10 14 August 2018
pas_valide SQL injection - Authentication 14% 46923 30 g0uZ 11 27 February 2011

Challenge Results Challenge Results

Pseudo Challenge Lang Date
pparker42 Web - Serveur  SQL injection - En aveugle fr 26 April 2025 at 18:53
diesel00 Web - Server  Node - Eval en 26 April 2025 at 18:53
Emilia Web - Server  HTTP - User-agent de 26 April 2025 at 18:49
GLC Web - Serveur  PHP - assert() fr 26 April 2025 at 18:46
boo! Web - Serveur  JWT - Unsecure File Signature fr 26 April 2025 at 18:34
pparker42 Web - Serveur  SQL injection - Error fr 26 April 2025 at 18:26
Phantom06 Web - Serveur  SQL injection - Numérique fr 26 April 2025 at 18:23
KiritoQN Web - Server  SQL injection - Error en 26 April 2025 at 18:13
lenzzair_ Web - Serveur  PHP - assert() fr 26 April 2025 at 18:09
TiZombi Web - Serveur  Fichier de sauvegarde fr 26 April 2025 at 18:01