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 HTML - Source code 49% 120139 5 g0uZ 5 3 October 2006
pas_valide HTTP - IP restriction bypass 3% 6898 10 Cyrhades 5 23 March 2021
pas_valide HTTP - Open redirect 19% 45764 10 Swissky 10 2 August 2017
pas_valide HTTP - User-agent 24% 58842 10 g0uZ 10 3 October 2006
pas_valide Weak password 33% 79384 10 g0uZ 7 3 October 2006
pas_valide PHP - Command injection 18% 44130 10 sambecks 10 20 September 2017
pas_valide Backup file 17% 39696 15 g0uZ 8 27 February 2011
pas_valide HTTP - Directory indexing 23% 55558 15 g0uZ 7 7 October 2006
pas_valide HTTP - Headers 16% 38421 15 Arod 9 11 January 2015
pas_valide HTTP - POST 14% 32155 15 Th1b4ud 10 14 August 2018
pas_valide HTTP - Improper redirect 13% 29969 15 Arod 10 26 November 2014
pas_valide HTTP - Verb tampering 14% 33377 15 g0uZ 10 3 February 2011
pas_valide Install files 14% 32538 15 g0uZ 4 7 October 2006
pas_valide CRLF 10% 22629 20 g0uZ 7 31 July 2011
pas_valide File upload - Double extensions 11% 24952 20 g0uZ 9 24 December 2012
pas_valide File upload - MIME type 8% 19609 20 g0uZ 10 26 December 2012
pas_valide HTTP - Cookies 13% 32050 20 g0uZ 8 7 October 2006
pas_valide Insecure Code Management 4% 7719 20 Swissky 6 29 September 2019
pas_valide JSON Web Token (JWT) - Introduction 4% 8804 20 Kn0wledge 5 21 August 2019
pas_valide Directory traversal 11% 25454 25 g0uZ 3 31 July 2011
pas_valide File upload - Null byte 8% 17537 25 g0uZ 4 26 December 2012
pas_valide JSON Web Token (JWT) - Weak secret 3% 6192 25 Jrmbt 6 21 August 2019
pas_valide JWT - Revoked token 2% 2515 25 ArnC 6 20 March 2020
pas_valide PHP - assert() 5% 10811 25 Birdy42 10 26 November 2016
pas_valide PHP - Filters 7% 14941 25 g0uZ 3 27 February 2011
pas_valide PHP - register globals 5% 12249 25 g0uZ 2 8 October 2011
pas_valide PHP - Remote Xdebug 1% 793 25 mayfly 3 18 March 2020
pas_valide Python - Server-side Template Injection Introduction 1% 1172 25 Podalirius 3 7 September 2021
pas_valide File upload - ZIP 3% 6690 30 ghozt 3 3 August 2017
pas_valide Command injection - Filter bypass 3% 5150 30 sambecks 6 20 September 2017
pas_valide Java - Server-side Template Injection 4% 7446 30 righettod 5 29 November 2015
pas_valide JSON Web Token (JWT) - Public key 1% 2223 30 Jrmbt 5 21 August 2019
pas_valide Local File Inclusion 8% 19178 30 g0uZ 4 2 October 2011
pas_valide Local File Inclusion - Double encoding 4% 9386 30 zM_ 4 13 June 2016
pas_valide Node - Eval 1% 1344 30 Mhd_Root 7 24 February 2021
pas_valide PHP - Loose Comparison 3% 5207 30 ghozt 4 10 January 2018
pas_valide PHP - preg_replace() 3% 6948 30 sambecks 4 2 March 2016
pas_valide PHP - type juggling 3% 6820 30 vic 4 10 March 2016
pas_valide Remote File Inclusion 4% 8490 30 g0uZ 8 25 November 2015
pas_valide SQL injection - Authentication 13% 30667 30 g0uZ 11 27 February 2011
pas_valide SQL injection - Authentication - GBK 3% 6510 30 dvor4x 3 2 December 2015
pas_valide SQL injection - String 6% 14170 30 g0uZ 8 24 December 2012
pas_valide XSLT - Code execution 2% 2655 30 ghozt 5 16 July 2017
pas_valide LDAP injection - Authentication 4% 7666 35 g0uZ 8 26 May 2013
pas_valide Node - Serialize 1% 537 35 Mhd_Root 1 24 February 2021
pas_valide NodeJS - Prototype Pollution Bypass 1% 88 35 Worty 0 22 October 2021
pas_valide NoSQL injection - Authentication 3% 5687 35 mastho 8 31 May 2015
pas_valide PHP - Path Truncation 2% 4168 35 Geluchat 6 25 March 2015
pas_valide PHP - Serialization 3% 5086 35 Arod 2 3 February 2014
pas_valide SQL injection - Numeric 5% 9901 35 g0uZ 6 24 December 2012
pas_valide SQL Injection - Routed 2% 3318 35 soka 5 24 December 2016
pas_valide SQL Truncation 2% 4650 35 Geluchat 2 1 May 2015
pas_valide XML External Entity 2% 3812 35 sambecks 2 20 October 2014
pas_valide XPath injection - Authentication 3% 5196 35 g0uZ 6 27 December 2012
pas_valide Yaml - Deserialization 1% 500 35 Nishacid 2 20 April 2021
pas_valide GraphQL 1% 700 40 CanardMandarin 2 20 October 2020
pas_valide Java - Spring Boot 1% 1697 40 dvor4x 3 24 December 2016
pas_valide Local File Inclusion - Wrappers 1% 2391 40 sambecks 4 2 March 2016
pas_valide PHP - Eval 1% 2315 40 chmod 10 8 November 2018
pas_valide PHP - Unserialize overflow 1% 434 40 mayfly 2 4 April 2020
pas_valide SQL injection - Error 3% 5115 40 sambecks 5 4 March 2015
pas_valide SQL injection - Insert 1% 2076 40 sambecks 4 23 February 2015
pas_valide SQL injection - File reading 2% 4084 40 Arod 3 19 October 2014
pas_valide XPath injection - String 2% 2987 40 g0uZ 5 26 May 2013
pas_valide NoSQL injection - Blind 1% 2149 45 ghozt 6 26 November 2016
pas_valide SQL injection - Time based 2% 3730 45 ycam 4 11 September 2015
pas_valide NodeJS - vm escape 1% 338 50 Podalirius 1 15 April 2021
pas_valide Server Side Request Forgery 1% 1063 50 sambecks 7 22 June 2018
pas_valide SQL injection - Blind 3% 5317 50 g0uZ 5 27 February 2011
pas_valide LDAP injection - Blind 2% 2467 55 g0uZ 2 8 June 2013
pas_valide PHP - Unserialize Pop Chain 1% 99 55 Worty 0 22 October 2021
pas_valide Python - Blind SSTI Filters Bypass 1% 185 75 Podalirius 3 7 September 2021
pas_valide XPath injection - Blind 1% 1637 75 g0uZ 4 27 December 2012
pas_valide SQL injection - Filter bypass 1% 1544 80 sambecks 6 21 July 2014

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Andreis   Backup file 29 January 2022 at 07:47
Andreis   PHP - Command injection 29 January 2022 at 07:32
DI B'LLA   PHP - Injection de commande 29 January 2022 at 07:13
DI B'LLA   Mot de passe faible 29 January 2022 at 06:53
DI B'LLA   HTTP - User-agent 29 January 2022 at 06:49
hyt0816   LDAP injection - Authentication 29 January 2022 at 06:45
DI B'LLA   HTTP - Open redirect 29 January 2022 at 06:40
Eduardo   Remote File Inclusion 29 January 2022 at 06:12
SIBIVASAN M   CRLF 29 January 2022 at 05:47
BR1N@n0   HTTP - Improper redirect 29 January 2022 at 05:22