ShoreTel Conferencing 19.46.1802.0 Cross Site Scripting

2020.11.10
Credit: Joe Helle
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79

# Exploit Title: ShoreTel Conferencing 19.46.1802.0 - Reflected Cross-Site Scripting # Date: 11/8/2020 # Exploit Author: Joe Helle # Vendor Homepage: https://www.mitel.com/articles/what-happened-shoretel-products # Version: 19.46.1802.0 # Tested on: Linux # CVE: 2020-28351 PoC: The conferencing component on Mitel ShoreTel 19.46.1802.0 devices could allow an unauthenticated attacker to conduct a reflected cross-site scripting attack (XSS) via the PATH_INFO to index.php, due to insufficient validation for the time_zone object in the HOME_MEETING& page. Vulnerable payload /index.php/%22%20onmouseover=alert(document.domain)%20?page=HOME Vulnerability is in the HOME_MEETINGS& page, where a time_zone dropdown object is located. Upon executing the payload, the exploit executes when the mouse is rolled over the dropdown menu object. https://github.com/dievus/CVE-2020-28351


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