XSS - Server Side

20 Points  0x0

Who said XSS was only for the client side?

Author

Elf,  

Level  Difficulty

Validations

3704 Challengers 1%

Note  Notation

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209 Votes

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solutions 4 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
kami Web - Serveur  XSS - Server Side fr 16 January 2026 at 23:58
Alex Web - Serveur  XSS - Server Side fr 16 January 2026 at 22:06
cl-te Web - Server  XSS - Server Side en 16 January 2026 at 17:56
Kresnik Web - Serveur  XSS - Server Side fr 16 January 2026 at 15:03
CipherX Web - Serveur  XSS - Server Side fr 16 January 2026 at 12:35
lonewolf21 Web - Server  XSS - Server Side en 16 January 2026 at 12:33
Yohan Web - Serveur  XSS - Server Side fr 14 January 2026 at 17:14
Sisyphus37 Web - Serveur  XSS - Server Side fr 14 January 2026 at 16:40
dams Web - Serveur  XSS - Server Side fr 13 January 2026 at 10:32
S4wf0xy Web - Server  XSS - Server Side es 13 January 2026 at 09:47

challenges 97 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide HTML - Source code 48% 181680 5 g0uZ 6 3 October 2006
pas_valide HTTP - IP restriction bypass 10% 34624 10 Cyrhades 8 23 March 2021
pas_valide HTTP - Open redirect 19% 71694 10 Swissky 10 2 August 2017
pas_valide HTTP - User-agent 24% 89924 10 g0uZ 10 3 October 2006
pas_valide Weak password 31% 116868 10 g0uZ 7 3 October 2006
pas_valide PHP - Command injection 19% 71923 10 sambecks 10 20 September 2017
pas_valide API - Broken Access 2% 7571 15 Nishacid , Mika 4 18 January 2024
pas_valide Backup file 15% 57280 15 g0uZ 10 27 February 2011
pas_valide HTTP - Directory indexing 22% 82108 15 g0uZ 7 7 October 2006
pas_valide HTTP - Headers 16% 58248 15 Arod 9 11 January 2015
pas_valide HTTP - POST 14% 53318 15 Th1b4ud 10 14 August 2018
pas_valide HTTP - Improper redirect 12% 45292 15 Arod 10 26 November 2014
pas_valide HTTP - Verb tampering 13% 49141 15 g0uZ 10 3 February 2011
pas_valide Install files 13% 46316 15 g0uZ 7 7 October 2006
pas_valide Nginx - Alias Misconfiguration 2% 4408 15 .Yo0x 3 27 September 2024
pas_valide Nginx - Root Location Misconfiguration 1% 2840 15 .Yo0x 1 27 September 2024
pas_valide API - Mass Assignment 2% 4456 20 Nishacid , Mika 2 18 January 2024
pas_valide CRLF 9% 33368 20 g0uZ 7 31 July 2011
pas_valide File upload - Double extensions 10% 37175 20 g0uZ 10 24 December 2012
pas_valide File upload - MIME type 8% 29997 20 g0uZ 10 26 December 2012
pas_valide Flask - Unsecure session 1% 3776 20 Sanlokii 1 29 November 2023
pas_valide GraphQL - Introspection 2% 4778 20 apges01 4 19 January 2023
pas_valide HTTP - Cookies 13% 48485 20 g0uZ 8 7 October 2006
pas_valide Insecure Code Management 4% 15002 20 Swissky 6 29 September 2019
pas_valide JWT - Introduction 6% 19262 20 Kn0wledge 5 21 August 2019
pas_valide XSS - Server Side 1% 3715 20 Elf 4 23 June 2023
pas_valide Directory traversal 10% 37587 25 g0uZ 3 31 July 2011
pas_valide File upload - Null byte 7% 25541 25 g0uZ 4 26 December 2012
pas_valide JWT - Revoked token 2% 7097 25 ArnC 6 20 March 2020
pas_valide JWT - Weak secret 4% 13353 25 Jrmbt 8 21 August 2019
pas_valide JWT - Unsecure File Signature 1% 3035 25 Nishacid , Mika 3 23 February 2023
pas_valide PHP - assert() 5% 16517 25 Birdy42 10 26 November 2016
pas_valide PHP - Apache configuration 1% 3024 25 erk3 , nemoz 4 8 July 2022
pas_valide PHP - Filters 6% 20896 25 g0uZ 3 27 February 2011
pas_valide PHP - register globals 5% 16783 25 g0uZ 2 8 October 2011
pas_valide PHP - Remote Xdebug 1% 1663 25 mayfly 4 18 March 2020
pas_valide Python - Server-side Template Injection Introduction 2% 5514 25 Podalirius 7 7 September 2021
pas_valide File upload - ZIP 3% 10454 30 ghozt 3 3 August 2017
pas_valide Flask - Development server 1% 1403 30 Sanlokii 1 29 November 2023
pas_valide GraphQL - Injection 1% 1113 30 apges01 2 19 January 2023
pas_valide Command injection - Filter bypass 3% 8357 30 sambecks 6 20 September 2017
pas_valide Java - Server-side Template Injection 4% 11554 30 righettod 6 29 November 2015
pas_valide JWT - Public key 2% 4410 30 Jrmbt 5 21 August 2019
pas_valide JWT - Header Injection 1% 1652 30 Nishacid , Mika 2 23 February 2023
pas_valide Local File Inclusion 8% 27161 30 g0uZ 4 2 October 2011
pas_valide Local File Inclusion - Double encoding 4% 13777 30 zM_ 4 13 June 2016
pas_valide Nginx - SSRF Misconfiguration 1% 724 30 .Yo0x 1 27 September 2024
pas_valide Node - Eval 1% 3348 30 Mhd_Root 8 24 February 2021
pas_valide PHP - Loose Comparison 3% 7824 30 ghozt 4 10 January 2018
pas_valide PHP - preg_replace() 3% 9624 30 sambecks 4 2 March 2016
pas_valide PHP - type juggling 3% 9403 30 vic 4 10 March 2016
pas_valide Remote File Inclusion 4% 12582 30 g0uZ 8 25 November 2015
pas_valide Ruby on Rails - ransack 1% 154 30 koma 0 23 June 2025
pas_valide SQL injection - Authentication 13% 49175 30 g0uZ 11 27 February 2011
pas_valide SQL injection - Authentication - GBK 3% 10673 30 dvor4x 4 2 December 2015
pas_valide SQL injection - String 7% 23494 30 g0uZ 10 24 December 2012
pas_valide XSLT - Code execution 2% 4031 30 ghozt 5 16 July 2017
pas_valide Elixir - EEx 1% 488 35 lolo42 1 29 November 2023
pas_valide JWT - Unsecure Key Handling 1% 1092 35 Nishacid , Mika 5 23 February 2023
pas_valide LDAP injection - Authentication 3% 11030 35 g0uZ 8 26 May 2013
pas_valide Node - Serialize 1% 1516 35 Mhd_Root 2 24 February 2021
pas_valide NoSQL injection - Authentication 3% 8236 35 mastho 8 31 May 2015
pas_valide PHP - Path Truncation 2% 5766 35 Geluchat 7 25 March 2015
pas_valide PHP - Serialization 2% 7189 35 Arod 3 3 February 2014
pas_valide SQL injection - Numeric 5% 16259 35 g0uZ 7 24 December 2012
pas_valide SQL Injection - Routed 2% 5886 35 soka 5 24 December 2016
pas_valide SQL Truncation 2% 7333 35 Geluchat 2 1 May 2015
pas_valide XML External Entity 2% 6069 35 sambecks 2 20 October 2014
pas_valide XPath injection - Authentication 2% 7007 35 g0uZ 6 27 December 2012
pas_valide Yaml - Deserialization 1% 1639 35 Nishacid 2 20 April 2021
pas_valide API - Broken Access 2 1% 804 40 Nishacid , Mika 1 18 January 2024
pas_valide GraphQL - Backend injection 1% 587 40 apges01 1 19 January 2023
pas_valide GraphQL - Mutation 1% 1752 40 CanardMandarin 2 20 October 2020
pas_valide Java - Spring Boot 1% 2502 40 dvor4x 3 24 December 2016
pas_valide Local File Inclusion - Wrappers 2% 4005 40 sambecks 4 2 March 2016
pas_valide PHP - Eval 2% 3985 40 chmod 10 8 November 2018
pas_valide PHP - Eval - Advanced filters bypass 1% 747 40 Podalirius 2 8 July 2022
pas_valide SQL injection - Error 3% 8704 40 sambecks 5 4 March 2015
pas_valide SQL injection - Insert 1% 3424 40 sambecks 4 23 February 2015
pas_valide SQL injection - File reading 2% 6419 40 Arod 3 19 October 2014
pas_valide XPath injection - String 2% 4172 40 g0uZ 5 26 May 2013
pas_valide File upload - Polyglot 1% 621 45 Cyxo 1 8 July 2022
pas_valide NodeJS - Prototype Pollution Bypass 1% 635 45 Worty 1 22 October 2021
pas_valide NoSQL injection - Blind 1% 3320 45 ghozt 6 26 November 2016
pas_valide SQL injection - Time based 2% 6265 45 ycam 4 11 September 2015
pas_valide Java - Custom gadget deserialization 1% 334 50 Elweth 0 28 December 2023
pas_valide NodeJS - vm escape 1% 885 50 Podalirius 2 15 April 2021
pas_valide Server Side Request Forgery 1% 2081 50 sambecks 7 22 June 2018
pas_valide SQL injection - Blind 3% 8296 50 g0uZ 6 27 February 2011
pas_valide LDAP injection - Blind 1% 3711 55 g0uZ 2 8 June 2013
pas_valide PHP - Unserialize overflow 1% 870 55 mayfly 2 4 April 2020
pas_valide PHP - Unserialize Pop Chain 1% 865 55 Worty 2 22 October 2021
pas_valide SQL Injection - Second Order 1% 303 55 k4ndar3c 1 29 November 2023
pas_valide Python - dotenv 1% 198 70 jrjgjk 1 27 September 2024
pas_valide Python - Blind SSTI Filters Bypass 1% 810 75 Podalirius 5 7 September 2021
pas_valide XPath injection - Blind 1% 2548 75 g0uZ 5 27 December 2012
pas_valide SQL injection - Filter bypass 1% 3281 80 sambecks 7 21 July 2014