10-return-of-tuning-keyboard

Ophiuchus

Summary

• Thumbnail:
• Song: https://www.youtube.com/watch?v=uoL_qEDUYr4
• Author: ozetta
• Categories: Web, ★★★★★
• Points: 500
• Solves: 2/234 (Secondary: 0/103, Tertiary: 0/65, Open: 0/60, Invited: 2/6)

Description

This time got a real destiny board.

http://rotk-r52wwl.hkcert21.pwnable.hk

XSS Bot: http://xssbot-cxild5.hkcert21.pwnable.hk

(Remark: XSS Bot time out in 30 seconds. )

Hint

Hint (posted in 13 November 6:02 pm): The author's solution uses CS+[=] and the length of the payload is 216, which could be correctly executed in 30 seconds 50% of the time.

Flag

hkcert21{Res123Or1entedProgramm1ng__CrossSiteScripting}