{"items":[{"id":"NVI-00007868","kind":"vulnerability","title":"Potential CSV Injection vector in OctoberCMS","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4rhm-m2fp-hx7q","CVE-2020-5299"],"plain_summary":"OSV carries this publisher advisory for october/backend. 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 1.0.466 for october/backend. Confirm the publisher’s latest guidance.","source_ids":["sr-ebc9939bee862406833423ccb4850d47"],"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},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-027105000ab9343fc2f2508a26de4e1a"],"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":"EPSS","as_of":"2026-11-06T12:00:23.000Z","value":"1.002%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.63026. Missing scores are unknown.","source_id":"sr-027105000ab9343fc2f2508a26de4e1a"}],"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-ebc9939bee862406833423ccb4850d47","url":"https://github.com/advisories/GHSA-4rhm-m2fp-hx7q","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4rhm-m2fp-hx7q","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.672Z"},{"id":"sr-027105000ab9343fc2f2508a26de4e1a","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-2020-5299","publisher":"FIRST EPSS","observed_at":"2026-11-06T20:56:52.577Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ebc9939bee862406833423ccb4850d47"],"technology":"october/backend","known_exclusions":[],"conditions_summary":"### Impact\nAny users with the ability to modify any data that could eventually be exported as a CSV file from the `ImportExportController` could potentially introduce a CSV injection into the data to cause the generated CSV export file to be malicious. This requires attackers to achieve the following before a successful attack can be completed: \n\n1. Have found a vulnerability in the victim's spreadsheet software of choice.\n2. Control data that would potentially be exported through the `ImportExportController` by a theoretical victim.\n3. Convince the victim to export above data as a CSV and run it in vulnerable spreadsheet software while also bypassing any sanity checks by said software.\n\n### Patches\nIssue has been patched in Build 466 (v1.0.466).\n\n### Workarounds\nApply https://github.com/octobercms/library/commit/c84bf03f506052c848f2fddc05f24be631427a1a & https://github.com/octobercms/october/commit/802d8c8e09a2b342649393edb6d3ceb958851484 to your installation manually if unable to upgrade to Build 466.\n\n### References\nReported by @chrisvidal initially & Sivanesh Ashok later.\n\n### For more information\nIf you have any questions or comments about this advisory:","public_affected_ranges":["ECOSYSTEM: introduced 1.0.319; fixed 1.0.466"]}],"null_published_at":"2026-11-07T22:29:26.084Z","source_updated_at":"2026-07-08T06:29:07.870Z","source_disclosed_at":"2020-06-03T21:58:35.000Z","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":"2026-10-31T21:41:49.672Z"},{"id":"NVI-00007868","kind":"vulnerability","title":"Potential CSV Injection vector in OctoberCMS","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4rhm-m2fp-hx7q","CVE-2020-5299"],"plain_summary":"OSV carries this publisher advisory for october/backend. 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 1.0.466 for october/backend. Confirm the publisher’s latest guidance.","source_ids":["sr-ebc9939bee862406833423ccb4850d47"],"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},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-6376b0afe47c2537b9cf833399b78355"],"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":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"1.002%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.62878. Missing scores are unknown.","source_id":"sr-6376b0afe47c2537b9cf833399b78355"}],"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-ebc9939bee862406833423ccb4850d47","url":"https://github.com/advisories/GHSA-4rhm-m2fp-hx7q","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4rhm-m2fp-hx7q","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.672Z"},{"id":"sr-6376b0afe47c2537b9cf833399b78355","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-2020-5299","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ebc9939bee862406833423ccb4850d47"],"technology":"october/backend","known_exclusions":[],"conditions_summary":"### Impact\nAny users with the ability to modify any data that could eventually be exported as a CSV file from the `ImportExportController` could potentially introduce a CSV injection into the data to cause the generated CSV export file to be malicious. This requires attackers to achieve the following before a successful attack can be completed: \n\n1. Have found a vulnerability in the victim's spreadsheet software of choice.\n2. Control data that would potentially be exported through the `ImportExportController` by a theoretical victim.\n3. Convince the victim to export above data as a CSV and run it in vulnerable spreadsheet software while also bypassing any sanity checks by said software.\n\n### Patches\nIssue has been patched in Build 466 (v1.0.466).\n\n### Workarounds\nApply https://github.com/octobercms/library/commit/c84bf03f506052c848f2fddc05f24be631427a1a & https://github.com/octobercms/october/commit/802d8c8e09a2b342649393edb6d3ceb958851484 to your installation manually if unable to upgrade to Build 466.\n\n### References\nReported by @chrisvidal initially & Sivanesh Ashok later.\n\n### For more information\nIf you have any questions or comments about this advisory:","public_affected_ranges":["ECOSYSTEM: introduced 1.0.319; fixed 1.0.466"]}],"null_published_at":"2026-11-01T01:45:38.545Z","source_updated_at":"2026-07-08T06:29:07.870Z","source_disclosed_at":"2020-06-03T21:58:35.000Z","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":"2026-10-31T21:41:49.672Z"},{"id":"NVI-00007868","kind":"vulnerability","title":"Potential CSV Injection vector in OctoberCMS","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4rhm-m2fp-hx7q","CVE-2020-5299"],"plain_summary":"OSV carries this publisher advisory for october/backend. 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 1.0.466 for october/backend. Confirm the publisher’s latest guidance.","source_ids":["sr-ebc9939bee862406833423ccb4850d47"],"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-ebc9939bee862406833423ccb4850d47","url":"https://github.com/advisories/GHSA-4rhm-m2fp-hx7q","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4rhm-m2fp-hx7q","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.672Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ebc9939bee862406833423ccb4850d47"],"technology":"october/backend","known_exclusions":[],"conditions_summary":"### Impact\nAny users with the ability to modify any data that could eventually be exported as a CSV file from the `ImportExportController` could potentially introduce a CSV injection into the data to cause the generated CSV export file to be malicious. This requires attackers to achieve the following before a successful attack can be completed: \n\n1. Have found a vulnerability in the victim's spreadsheet software of choice.\n2. Control data that would potentially be exported through the `ImportExportController` by a theoretical victim.\n3. Convince the victim to export above data as a CSV and run it in vulnerable spreadsheet software while also bypassing any sanity checks by said software.\n\n### Patches\nIssue has been patched in Build 466 (v1.0.466).\n\n### Workarounds\nApply https://github.com/octobercms/library/commit/c84bf03f506052c848f2fddc05f24be631427a1a & https://github.com/octobercms/october/commit/802d8c8e09a2b342649393edb6d3ceb958851484 to your installation manually if unable to upgrade to Build 466.\n\n### References\nReported by @chrisvidal initially & Sivanesh Ashok later.\n\n### For more information\nIf you have any questions or comments about this advisory:","public_affected_ranges":["ECOSYSTEM: introduced 1.0.319; fixed 1.0.466"]}],"null_published_at":"2026-10-31T22:13:18.638Z","source_updated_at":"2026-07-08T06:29:07.870Z","source_disclosed_at":"2020-06-03T21:58:35.000Z","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":"2026-10-31T21:41:49.672Z"}],"next_cursor":null,"snapshot_revision":"42594"}