{"cve":{"cve_id":"CVE-2021-22122","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.1052,"epss_percentile":0.95177,"epss_as_of":"2026-06-23","description":"An improper neutralization of input during web page generation in FortiWeb GUI interface 6.3.0 through 6.3.7 and version before 6.2.4 may allow an unauthenticated, remote attacker to perform a reflected cross site scripting attack (XSS) by injecting malicious payload in different vulnerable API end-points.","published_at":"2021-02-08T15:55:39Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":false,"ssvc_technical_impact":"partial","cwes":null,"nvd_references":["https://fortiguard.com/advisory/FG-IR-20-122"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:15:01.502618Z"},"effective_severity":null,"badges":["poc"],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"fortinet","vendor_name":"fortinet","product_slug":"fortinet-fortiweb","product_name":"Fortinet FortiWeb","version_start":"FortiWeb 6.3.0 through 6.3.7 and  version before 6.2.4","version_start_inclusive":true,"version_end":"FortiWeb 6.3.0 through 6.3.7 and  version before 6.2.4","version_end_inclusive":true,"cpe23_uri":"cve5:fortinet:fortinet-fortiweb:FortiWeb 6.3.0 through 6.3.7 and  version before 6.2.4:FortiWeb 6.3.0 through 6.3.7 and  version before 6.2.4"}],"exploit_refs":[{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-22122.yaml","title":"FortiWeb - Cross Site Scripting","author":"dwisiswant0","disclosed_at":null}],"news":[],"references":[{"url":"https://fortiguard.com/advisory/FG-IR-20-122","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-02-08T15:55:39Z","label":"CVE published","source":null},{"type":"poc_available","at":"2026-06-24T00:29:48.638073Z","label":"Public PoC available","source":"nuclei"},{"type":"ssvc_changed","at":"2026-06-24T00:31:36.955378Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:36.955378Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:36.955378Z","label":"SSVC decision revised","source":"vulnrichment"}]}