{"items":[{"id":"NVI-00012140","kind":"vulnerability","title":"JHipster: Generated Applications Allow Stored XSS via Unrestricted Blob ContentType Opened as Same-Origin Blob","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9ffp-22j7-56r2","CVE-2026-107303"],"plain_summary":"GitHub lists this reviewed advisory for generator-jhipster, react-jhipster. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-8f9b93996fad433d0db76640d8ce9e9c"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-08T17:40:32.000Z","value":"7.6 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b4fb90b14657479b61933bd899ba4406"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.324%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.25434. Missing scores are unknown.","source_id":"sr-8f9b93996fad433d0db76640d8ce9e9c"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-b4fb90b14657479b61933bd899ba4406","url":"https://github.com/advisories/GHSA-9ffp-22j7-56r2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9ffp-22j7-56r2","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"},{"id":"sr-8f9b93996fad433d0db76640d8ce9e9c","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-107303","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.065Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b4fb90b14657479b61933bd899ba4406"],"technology":"generator-jhipster","known_exclusions":[],"conditions_summary":"## Summary\nApplications generated by generator-jhipster v9.2.0 can persist user-controlled Blob ContentType values and later use those values as the MIME type for client-side Blob objects. The shared generated `openFile` helper creates an object URL from the Blob and opens it in a new window.\n\nFor Blob-bearing entities writable by normal authenticated users, this creates a stored XSS chain: attacker-controlled Blob content and MIME type are stored through the generated REST API, returned to privileged users, and opened as a same-origin Blob document from the generated Angular/React/Vue UI. Exploitability should be confirmed against the generated app’s CSP and target browsers.\n\n## Details\nThe root cause is a trust-boundary failure across generated server and client code. The generated entity REST resource accepts request bodies for entity creation and update. Unless an entity-specific authority is configured, the template omits method-level `@PreAuthorize`, leaving the endpoint available to any authenticated user under the global `/api/**` security rule.\n\nThe generated DTO/domain/mapper flow stores the companion `ContentType` property as a plain `String` and persists it with ","public_affected_ranges":["< 9.4.0"]},{"certainty":"source_listed","source_ids":["sr-b4fb90b14657479b61933bd899ba4406"],"technology":"react-jhipster","known_exclusions":[],"conditions_summary":"## Summary\nApplications generated by generator-jhipster v9.2.0 can persist user-controlled Blob ContentType values and later use those values as the MIME type for client-side Blob objects. The shared generated `openFile` helper creates an object URL from the Blob and opens it in a new window.\n\nFor Blob-bearing entities writable by normal authenticated users, this creates a stored XSS chain: attacker-controlled Blob content and MIME type are stored through the generated REST API, returned to privileged users, and opened as a same-origin Blob document from the generated Angular/React/Vue UI. Exploitability should be confirmed against the generated app’s CSP and target browsers.\n\n## Details\nThe root cause is a trust-boundary failure across generated server and client code. The generated entity REST resource accepts request bodies for entity creation and update. Unless an entity-specific authority is configured, the template omits method-level `@PreAuthorize`, leaving the endpoint available to any authenticated user under the global `/api/**` security rule.\n\nThe generated DTO/domain/mapper flow stores the companion `ContentType` property as a plain `String` and persists it with ","public_affected_ranges":["<= 1.0.3"]}],"null_published_at":"2026-11-05T03:53:00.765Z","source_updated_at":"2026-10-08T17:40:32.000Z","source_disclosed_at":"2026-10-08T17:40:29.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T00:58:38.867Z"},{"id":"NVI-00012140","kind":"vulnerability","title":"JHipster: Generated Applications Allow Stored XSS via Unrestricted Blob ContentType Opened as Same-Origin Blob","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9ffp-22j7-56r2","CVE-2026-107303"],"plain_summary":"GitHub lists this reviewed advisory for generator-jhipster, react-jhipster. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-b4fb90b14657479b61933bd899ba4406"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-08T17:40:32.000Z","value":"7.6 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b4fb90b14657479b61933bd899ba4406"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-b4fb90b14657479b61933bd899ba4406","url":"https://github.com/advisories/GHSA-9ffp-22j7-56r2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9ffp-22j7-56r2","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b4fb90b14657479b61933bd899ba4406"],"technology":"generator-jhipster","known_exclusions":[],"conditions_summary":"## Summary\nApplications generated by generator-jhipster v9.2.0 can persist user-controlled Blob ContentType values and later use those values as the MIME type for client-side Blob objects. The shared generated `openFile` helper creates an object URL from the Blob and opens it in a new window.\n\nFor Blob-bearing entities writable by normal authenticated users, this creates a stored XSS chain: attacker-controlled Blob content and MIME type are stored through the generated REST API, returned to privileged users, and opened as a same-origin Blob document from the generated Angular/React/Vue UI. Exploitability should be confirmed against the generated app’s CSP and target browsers.\n\n## Details\nThe root cause is a trust-boundary failure across generated server and client code. The generated entity REST resource accepts request bodies for entity creation and update. Unless an entity-specific authority is configured, the template omits method-level `@PreAuthorize`, leaving the endpoint available to any authenticated user under the global `/api/**` security rule.\n\nThe generated DTO/domain/mapper flow stores the companion `ContentType` property as a plain `String` and persists it with ","public_affected_ranges":["< 9.4.0"]},{"certainty":"source_listed","source_ids":["sr-b4fb90b14657479b61933bd899ba4406"],"technology":"react-jhipster","known_exclusions":[],"conditions_summary":"## Summary\nApplications generated by generator-jhipster v9.2.0 can persist user-controlled Blob ContentType values and later use those values as the MIME type for client-side Blob objects. The shared generated `openFile` helper creates an object URL from the Blob and opens it in a new window.\n\nFor Blob-bearing entities writable by normal authenticated users, this creates a stored XSS chain: attacker-controlled Blob content and MIME type are stored through the generated REST API, returned to privileged users, and opened as a same-origin Blob document from the generated Angular/React/Vue UI. Exploitability should be confirmed against the generated app’s CSP and target browsers.\n\n## Details\nThe root cause is a trust-boundary failure across generated server and client code. The generated entity REST resource accepts request bodies for entity creation and update. Unless an entity-specific authority is configured, the template omits method-level `@PreAuthorize`, leaving the endpoint available to any authenticated user under the global `/api/**` security rule.\n\nThe generated DTO/domain/mapper flow stores the companion `ContentType` property as a plain `String` and persists it with ","public_affected_ranges":["<= 1.0.3"]}],"null_published_at":"2026-11-01T01:04:01.245Z","source_updated_at":"2026-10-08T17:40:32.000Z","source_disclosed_at":"2026-10-08T17:40:29.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-01T00:58:38.867Z"}],"next_cursor":null,"snapshot_revision":"42594"}