{"items":[{"id":"NVI-00008207","kind":"vulnerability","title":"Snipe-IT: Stored XSS via Inline XML Rendering in the Uploaded Files API","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-396x-xmvh-p563","CVE-2026-63498"],"plain_summary":"GitHub lists this reviewed advisory for snipe/snipe-it. 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-14c81f57ca204f29f30662851e2ff83c"],"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},{"summary":"The original advisory lists fixed boundaries 8.7.0 for snipe/snipe-it. Confirm the publisher’s latest guidance.","source_ids":["sr-fa3da3da5835ed022f858bbc621db3f0"],"action_type":"vendor_patch","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":"2026-09-24T18:19:39.000Z","value":"8.7 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-61b264c58b547a96ff576a8d170ebb85"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.241%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.15259. Missing scores are unknown.","source_id":"sr-14c81f57ca204f29f30662851e2ff83c"}],"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-61b264c58b547a96ff576a8d170ebb85","url":"https://github.com/advisories/GHSA-396x-xmvh-p563","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-396x-xmvh-p563","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"},{"id":"sr-fa3da3da5835ed022f858bbc621db3f0","url":"https://github.com/advisories/GHSA-396x-xmvh-p563","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-396x-xmvh-p563","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.653Z"},{"id":"sr-14c81f57ca204f29f30662851e2ff83c","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-2026-63498","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.284Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-61b264c58b547a96ff576a8d170ebb85"],"technology":"snipe/snipe-it","known_exclusions":[],"conditions_summary":"Snipe-IT's uploaded-files API accepts XML documents and later serves them inline without applying the safe-inline allowlist used by the equivalent web controller. An authenticated user who can attach files to a supported object can upload an XSLT stylesheet and an XML document that references it through xml-stylesheet. When another authorized user opens the XML file through the API with ?inline=true, the browser applies the attacker-controlled stylesheet, which produces HTML containing JavaScript in the Snipe-IT origin.\nThis was reproduced against commit df8e3b144331d0c1cc14778f900e7646d1d9a509 (v8.6.3-231-gdf8e3b1443).\n\nThe attack requires an authenticated account with file access to at least one supported object and one victim interaction. Scope changes because attacker-controlled code executes in another user's Snipe-IT security context. The script can read same-origin data available to the victim and perform authenticated actions as that victim.\n\n### Affected Components\n\n- app/Http/Requests/UploadFileRequest.php\nAllows xml uploads through filesystems.allowed_upload_extensions_for_validator.\nSanitizes only files detected as image/svg+xml. Both files in this proof of concept are ","public_affected_ranges":["< 8.7.0"]},{"certainty":"source_listed","source_ids":["sr-fa3da3da5835ed022f858bbc621db3f0"],"technology":"snipe/snipe-it","known_exclusions":[],"conditions_summary":"Snipe-IT's uploaded-files API accepts XML documents and later serves them inline without applying the safe-inline allowlist used by the equivalent web controller. An authenticated user who can attach files to a supported object can upload an XSLT stylesheet and an XML document that references it through xml-stylesheet. When another authorized user opens the XML file through the API with ?inline=true, the browser applies the attacker-controlled stylesheet, which produces HTML containing JavaScript in the Snipe-IT origin.\nThis was reproduced against commit df8e3b144331d0c1cc14778f900e7646d1d9a509 (v8.6.3-231-gdf8e3b1443).\n\nThe attack requires an authenticated account with file access to at least one supported object and one victim interaction. Scope changes because attacker-controlled code executes in another user's Snipe-IT security context. The script can read same-origin data available to the victim and perform authenticated actions as that victim.\n\n### Affected Components\n\n- app/Http/Requests/UploadFileRequest.php\nAllows xml uploads through filesystems.allowed_upload_extensions_for_validator.\nSanitizes only files detected as image/svg+xml. Both files in this proof of concept are ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 8.7.0"]}],"null_published_at":"2026-11-03T17:49:18.484Z","source_updated_at":"2026-09-24T18:19:39.000Z","source_disclosed_at":"2026-09-24T18:19:38.000Z","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":"2026-10-31T21:41:49.653Z"},{"id":"NVI-00008207","kind":"vulnerability","title":"Snipe-IT: Stored XSS via Inline XML Rendering in the Uploaded Files API","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-396x-xmvh-p563","CVE-2026-63498"],"plain_summary":"GitHub lists this reviewed advisory for snipe/snipe-it. 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-7729aa80c851ada15312ab4d12c63101"],"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},{"summary":"The original advisory lists fixed boundaries 8.7.0 for snipe/snipe-it. Confirm the publisher’s latest guidance.","source_ids":["sr-fa3da3da5835ed022f858bbc621db3f0"],"action_type":"vendor_patch","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":"2026-09-24T18:19:39.000Z","value":"8.7 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-61b264c58b547a96ff576a8d170ebb85"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.241%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.15263. Missing scores are unknown.","source_id":"sr-7729aa80c851ada15312ab4d12c63101"}],"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-61b264c58b547a96ff576a8d170ebb85","url":"https://github.com/advisories/GHSA-396x-xmvh-p563","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-396x-xmvh-p563","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"},{"id":"sr-fa3da3da5835ed022f858bbc621db3f0","url":"https://github.com/advisories/GHSA-396x-xmvh-p563","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-396x-xmvh-p563","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.653Z"},{"id":"sr-7729aa80c851ada15312ab4d12c63101","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-2026-63498","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-61b264c58b547a96ff576a8d170ebb85"],"technology":"snipe/snipe-it","known_exclusions":[],"conditions_summary":"Snipe-IT's uploaded-files API accepts XML documents and later serves them inline without applying the safe-inline allowlist used by the equivalent web controller. An authenticated user who can attach files to a supported object can upload an XSLT stylesheet and an XML document that references it through xml-stylesheet. When another authorized user opens the XML file through the API with ?inline=true, the browser applies the attacker-controlled stylesheet, which produces HTML containing JavaScript in the Snipe-IT origin.\nThis was reproduced against commit df8e3b144331d0c1cc14778f900e7646d1d9a509 (v8.6.3-231-gdf8e3b1443).\n\nThe attack requires an authenticated account with file access to at least one supported object and one victim interaction. Scope changes because attacker-controlled code executes in another user's Snipe-IT security context. The script can read same-origin data available to the victim and perform authenticated actions as that victim.\n\n### Affected Components\n\n- app/Http/Requests/UploadFileRequest.php\nAllows xml uploads through filesystems.allowed_upload_extensions_for_validator.\nSanitizes only files detected as image/svg+xml. Both files in this proof of concept are ","public_affected_ranges":["< 8.7.0"]},{"certainty":"source_listed","source_ids":["sr-fa3da3da5835ed022f858bbc621db3f0"],"technology":"snipe/snipe-it","known_exclusions":[],"conditions_summary":"Snipe-IT's uploaded-files API accepts XML documents and later serves them inline without applying the safe-inline allowlist used by the equivalent web controller. An authenticated user who can attach files to a supported object can upload an XSLT stylesheet and an XML document that references it through xml-stylesheet. When another authorized user opens the XML file through the API with ?inline=true, the browser applies the attacker-controlled stylesheet, which produces HTML containing JavaScript in the Snipe-IT origin.\nThis was reproduced against commit df8e3b144331d0c1cc14778f900e7646d1d9a509 (v8.6.3-231-gdf8e3b1443).\n\nThe attack requires an authenticated account with file access to at least one supported object and one victim interaction. Scope changes because attacker-controlled code executes in another user's Snipe-IT security context. The script can read same-origin data available to the victim and perform authenticated actions as that victim.\n\n### Affected Components\n\n- app/Http/Requests/UploadFileRequest.php\nAllows xml uploads through filesystems.allowed_upload_extensions_for_validator.\nSanitizes only files detected as image/svg+xml. Both files in this proof of concept are ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 8.7.0"]}],"null_published_at":"2026-11-01T19:14:01.604Z","source_updated_at":"2026-09-24T18:19:39.000Z","source_disclosed_at":"2026-09-24T18:19:38.000Z","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":"2026-10-31T21:41:49.653Z"},{"id":"NVI-00008207","kind":"vulnerability","title":"Snipe-IT: Stored XSS via Inline XML Rendering in the Uploaded Files API","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-396x-xmvh-p563","CVE-2026-63498"],"plain_summary":"GitHub lists this reviewed advisory for snipe/snipe-it. 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-61b264c58b547a96ff576a8d170ebb85"],"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},{"summary":"The original advisory lists fixed boundaries 8.7.0 for snipe/snipe-it. Confirm the publisher’s latest guidance.","source_ids":["sr-fa3da3da5835ed022f858bbc621db3f0"],"action_type":"vendor_patch","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":"2026-09-24T18:19:39.000Z","value":"8.7 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-61b264c58b547a96ff576a8d170ebb85"}],"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-61b264c58b547a96ff576a8d170ebb85","url":"https://github.com/advisories/GHSA-396x-xmvh-p563","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-396x-xmvh-p563","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"},{"id":"sr-fa3da3da5835ed022f858bbc621db3f0","url":"https://github.com/advisories/GHSA-396x-xmvh-p563","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-396x-xmvh-p563","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.653Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-61b264c58b547a96ff576a8d170ebb85"],"technology":"snipe/snipe-it","known_exclusions":[],"conditions_summary":"Snipe-IT's uploaded-files API accepts XML documents and later serves them inline without applying the safe-inline allowlist used by the equivalent web controller. An authenticated user who can attach files to a supported object can upload an XSLT stylesheet and an XML document that references it through xml-stylesheet. When another authorized user opens the XML file through the API with ?inline=true, the browser applies the attacker-controlled stylesheet, which produces HTML containing JavaScript in the Snipe-IT origin.\nThis was reproduced against commit df8e3b144331d0c1cc14778f900e7646d1d9a509 (v8.6.3-231-gdf8e3b1443).\n\nThe attack requires an authenticated account with file access to at least one supported object and one victim interaction. Scope changes because attacker-controlled code executes in another user's Snipe-IT security context. The script can read same-origin data available to the victim and perform authenticated actions as that victim.\n\n### Affected Components\n\n- app/Http/Requests/UploadFileRequest.php\nAllows xml uploads through filesystems.allowed_upload_extensions_for_validator.\nSanitizes only files detected as image/svg+xml. Both files in this proof of concept are ","public_affected_ranges":["< 8.7.0"]},{"certainty":"source_listed","source_ids":["sr-fa3da3da5835ed022f858bbc621db3f0"],"technology":"snipe/snipe-it","known_exclusions":[],"conditions_summary":"Snipe-IT's uploaded-files API accepts XML documents and later serves them inline without applying the safe-inline allowlist used by the equivalent web controller. An authenticated user who can attach files to a supported object can upload an XSLT stylesheet and an XML document that references it through xml-stylesheet. When another authorized user opens the XML file through the API with ?inline=true, the browser applies the attacker-controlled stylesheet, which produces HTML containing JavaScript in the Snipe-IT origin.\nThis was reproduced against commit df8e3b144331d0c1cc14778f900e7646d1d9a509 (v8.6.3-231-gdf8e3b1443).\n\nThe attack requires an authenticated account with file access to at least one supported object and one victim interaction. Scope changes because attacker-controlled code executes in another user's Snipe-IT security context. The script can read same-origin data available to the victim and perform authenticated actions as that victim.\n\n### Affected Components\n\n- app/Http/Requests/UploadFileRequest.php\nAllows xml uploads through filesystems.allowed_upload_extensions_for_validator.\nSanitizes only files detected as image/svg+xml. Both files in this proof of concept are ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 8.7.0"]}],"null_published_at":"2026-11-01T07:29:12.921Z","source_updated_at":"2026-09-24T18:19:39.000Z","source_disclosed_at":"2026-09-24T18:19:38.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:49.653Z"},{"id":"NVI-00008207","kind":"vulnerability","title":"Snipe-IT: Stored XSS via Inline XML Rendering in the Uploaded Files API","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-396x-xmvh-p563","CVE-2026-63498"],"plain_summary":"OSV carries this publisher advisory for snipe/snipe-it. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 8.7.0 for snipe/snipe-it. Confirm the publisher’s latest guidance.","source_ids":["sr-fa3da3da5835ed022f858bbc621db3f0"],"action_type":"vendor_patch","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":[],"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-fa3da3da5835ed022f858bbc621db3f0","url":"https://github.com/advisories/GHSA-396x-xmvh-p563","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-396x-xmvh-p563","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.653Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-fa3da3da5835ed022f858bbc621db3f0"],"technology":"snipe/snipe-it","known_exclusions":[],"conditions_summary":"Snipe-IT's uploaded-files API accepts XML documents and later serves them inline without applying the safe-inline allowlist used by the equivalent web controller. An authenticated user who can attach files to a supported object can upload an XSLT stylesheet and an XML document that references it through xml-stylesheet. When another authorized user opens the XML file through the API with ?inline=true, the browser applies the attacker-controlled stylesheet, which produces HTML containing JavaScript in the Snipe-IT origin.\nThis was reproduced against commit df8e3b144331d0c1cc14778f900e7646d1d9a509 (v8.6.3-231-gdf8e3b1443).\n\nThe attack requires an authenticated account with file access to at least one supported object and one victim interaction. Scope changes because attacker-controlled code executes in another user's Snipe-IT security context. The script can read same-origin data available to the victim and perform authenticated actions as that victim.\n\n### Affected Components\n\n- app/Http/Requests/UploadFileRequest.php\nAllows xml uploads through filesystems.allowed_upload_extensions_for_validator.\nSanitizes only files detected as image/svg+xml. Both files in this proof of concept are ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 8.7.0"]}],"null_published_at":"2026-10-31T22:13:22.834Z","source_updated_at":"2026-09-24T18:30:10.795Z","source_disclosed_at":"2026-09-24T18:19:38.000Z","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":"2026-10-31T21:41:49.653Z"}],"next_cursor":null,"snapshot_revision":"42594"}