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.

 74 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide Backup file 17% 39031 15 g0uZ 8 27 February 2011
pas_valide CRLF 10% 22126 20 g0uZ 7 31 July 2011
pas_valide Command injection - Filter bypass 3% 5028 30 sambecks 6 20 September 2017
pas_valide Directory traversal 11% 24945 25 g0uZ 3 31 July 2011
pas_valide File upload - Double extensions 11% 24464 20 g0uZ 9 24 December 2012
pas_valide File upload - MIME type 8% 19178 20 g0uZ 10 26 December 2012
pas_valide File upload - Null byte 8% 17168 25 g0uZ 4 26 December 2012
pas_valide File upload - ZIP 3% 6562 30 ghozt 3 3 August 2017
pas_valide GraphQL 1% 646 40 CanardMandarin 2 20 October 2020
pas_valide HTML - Source code 49% 117371 5 g0uZ 5 3 October 2006
pas_valide HTTP - Cookies 14% 31307 20 g0uZ 8 7 October 2006
pas_valide HTTP - Directory indexing 23% 54474 15 g0uZ 7 7 October 2006
pas_valide HTTP - Headers 16% 37626 15 Arod 9 11 January 2015
pas_valide HTTP - IP restriction bypass 3% 5694 10 Cyrhades 5 23 March 2021
pas_valide HTTP - Improper redirect 13% 29329 15 Arod 10 26 November 2014
pas_valide HTTP - Open redirect 19% 44717 10 Swissky 10 2 August 2017
pas_valide HTTP - POST 13% 31276 15 Th1b4ud 10 14 August 2018
pas_valide HTTP - User-agent 24% 57566 10 g0uZ 10 3 October 2006
pas_valide HTTP - Verb tampering 14% 32704 15 g0uZ 10 3 February 2011
pas_valide Insecure Code Management 4% 7374 20 Swissky 6 29 September 2019
pas_valide Install files 14% 31965 15 g0uZ 4 7 October 2006
pas_valide JSON Web Token (JWT) - Introduction 4% 8328 20 Kn0wledge 5 21 August 2019
pas_valide JSON Web Token (JWT) - Public key 1% 2136 30 Jrmbt 4 21 August 2019
pas_valide JSON Web Token (JWT) - Weak secret 3% 5897 25 Jrmbt 6 21 August 2019
pas_valide JWT - Revoked token 1% 2330 25 ArnC 6 20 March 2020
pas_valide Java - Server-side Template Injection 4% 7291 30 righettod 5 29 November 2015
pas_valide Java - Spring Boot 1% 1657 40 dvor4x 3 24 December 2016
pas_valide LDAP injection - Authentication 4% 7512 35 g0uZ 8 26 May 2013
pas_valide LDAP injection - Blind 1% 2392 55 g0uZ 2 8 June 2013
pas_valide Local File Inclusion 8% 18802 30 g0uZ 4 2 October 2011
pas_valide Local File Inclusion - Double encoding 4% 9220 30 zM_ 4 13 June 2016
pas_valide Local File Inclusion - Wrappers 1% 2350 40 sambecks 4 2 March 2016
pas_valide NoSQL injection - Authentication 3% 5584 35 mastho 8 31 May 2015
pas_valide NoSQL injection - Blind 1% 2106 45 ghozt 6 26 November 2016
pas_valide Node - Eval 1% 1226 30 Mhd_Root 6 24 February 2021
pas_valide Node - Serialize 1% 487 35 Mhd_Root 1 24 February 2021
pas_valide NodeJS - Prototype Pollution Bypass 1% 37 35 Worty 0 22 October 2021
pas_valide NodeJS - vm escape 1% 311 50 Podalirius 1 15 April 2021
pas_valide PHP - Command injection 18% 43142 10 sambecks 10 20 September 2017
pas_valide PHP - Eval 1% 2263 40 chmod 10 8 November 2018
pas_valide PHP - Filters 7% 14671 25 g0uZ 3 27 February 2011
pas_valide PHP - Loose Comparison 3% 5126 30 ghozt 4 10 January 2018
pas_valide PHP - Path Truncation 2% 4104 35 Geluchat 6 25 March 2015
pas_valide PHP - Remote Xdebug 1% 759 25 mayfly 3 18 March 2020
pas_valide PHP - Serialization 3% 5007 35 Arod 2 3 February 2014
pas_valide PHP - Unserialize Pop Chain 1% 21 55 Worty 0 22 October 2021
pas_valide PHP - Unserialize overflow 1% 418 40 mayfly 2 4 April 2020
pas_valide PHP - assert() 5% 10546 25 Birdy42 9 26 November 2016
pas_valide PHP - preg_replace() 3% 6860 30 sambecks 4 2 March 2016
pas_valide PHP - register globals 6% 12067 25 g0uZ 2 8 October 2011
pas_valide PHP - type juggling 3% 6743 30 vic 4 10 March 2016
pas_valide Python - Blind SSTI Filters Bypass 1% 154 75 Podalirius 2 7 September 2021
pas_valide Python - Server-side Template Injection Introduction 1% 908 25 Podalirius 3 7 September 2021
pas_valide Remote File Inclusion 4% 8329 30 g0uZ 8 25 November 2015
pas_valide SQL Injection - Routed 2% 3254 35 soka 5 24 December 2016
pas_valide SQL Truncation 2% 4591 35 Geluchat 2 1 May 2015
pas_valide SQL injection - Authentication 13% 29956 30 g0uZ 11 27 February 2011
pas_valide SQL injection - Authentication - GBK 3% 6404 30 dvor4x 3 2 December 2015
pas_valide SQL injection - Blind 3% 5189 50 g0uZ 5 27 February 2011
pas_valide SQL injection - Error 3% 5007 40 sambecks 5 4 March 2015
pas_valide SQL injection - File reading 2% 3986 40 Arod 3 19 October 2014
pas_valide SQL injection - Filter bypass 1% 1518 80 sambecks 6 21 July 2014
pas_valide SQL injection - Insert 1% 2035 40 sambecks 4 23 February 2015
pas_valide SQL injection - Numeric 5% 9733 35 g0uZ 6 24 December 2012
pas_valide SQL injection - String 6% 13850 30 g0uZ 8 24 December 2012
pas_valide SQL injection - Time based 2% 3638 45 ycam 4 11 September 2015
pas_valide Server Side Request Forgery 1% 1028 50 sambecks 7 22 June 2018
pas_valide Weak password 33% 77740 10 g0uZ 7 3 October 2006
pas_valide XML External Entity 2% 3728 35 sambecks 2 20 October 2014
pas_valide XPath injection - Authentication 3% 5134 35 g0uZ 6 27 December 2012
pas_valide XPath injection - Blind 1% 1600 75 g0uZ 4 27 December 2012
pas_valide XPath injection - String 2% 2944 40 g0uZ 5 26 May 2013
pas_valide XSLT - Code execution 2% 2602 30 ghozt 5 16 July 2017
pas_valide Yaml - Deserialization 1% 458 35 Nishacid 2 20 April 2021

Challenge Results Challenge Results

Pseudo Challenge Lang Date
mohamed_moualim   Insecure Code Management 2 December 2021 at 01:03
Pseudo Nîmes   HTTP - Headers 2 December 2021 at 00:58
Kearsbonim   HTTP - Contournement de filtrage IP 2 December 2021 at 00:58
Kearsbonim   SQL injection - Numérique 2 December 2021 at 00:43
lucky_lukar   HTTP - Contournement de filtrage IP 2 December 2021 at 00:42
Mioejai   File upload - Type MIME 2 December 2021 at 00:20
Amine El Merzouki   Directory traversal 2 December 2021 at 00:20
25kgoldn   SQL injection - Authentification - GBK 2 December 2021 at 00:18
mohamed_moualim   Directory traversal 2 December 2021 at 00:18
Mioejai   CRLF 2 December 2021 at 00:17