{"items":[{"id":"NVI-00004779","kind":"vulnerability","title":"Typo3 Arbitrary file upload and XML External Entity processing","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-2p4f-vc9q-r5vp"],"plain_summary":"OSV carries this publisher advisory for typo3/flow, typo3/flow. 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 2.3.7 for typo3/flow. Confirm the publisher’s latest guidance.","source_ids":["sr-72debb7f67130a3ce3f4c65f658ed909"],"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":"The original advisory lists fixed boundaries 3.0.1 for typo3/flow. Confirm the publisher’s latest guidance.","source_ids":["sr-72debb7f67130a3ce3f4c65f658ed909"],"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-72debb7f67130a3ce3f4c65f658ed909","url":"https://github.com/advisories/GHSA-2p4f-vc9q-r5vp","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-2p4f-vc9q-r5vp","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.642Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-72debb7f67130a3ce3f4c65f658ed909"],"technology":"typo3/flow","known_exclusions":[],"conditions_summary":"It has been discovered that Flow 3.0.0 allows arbitrary file uploads, inlcuding server-side scripts, posing the risk of attacks. If those scripts are executed by the server when accessed through their public URL, anything not blocked through other means is possible (information disclosure, placement of backdoors, data removal, …).\n\nNote: The upload of files is only possible if the application built on Flow provides means to do so, and whether or not the upload of files poses a risk is dependent on the system setup. If uploaded script files are not executed by the server, there is no risk. In versions prior to 3.0.0 the upload of files with the extension php was blocked.\n\nIn Flow 2.3.0 to 2.3.6 a potential XML External Entity processing vulnerability has been discovered in the MediaTypeConverter.","public_affected_ranges":["ECOSYSTEM: introduced 2.3.0; fixed 2.3.7"]},{"certainty":"source_listed","source_ids":["sr-72debb7f67130a3ce3f4c65f658ed909"],"technology":"typo3/flow","known_exclusions":[],"conditions_summary":"It has been discovered that Flow 3.0.0 allows arbitrary file uploads, inlcuding server-side scripts, posing the risk of attacks. If those scripts are executed by the server when accessed through their public URL, anything not blocked through other means is possible (information disclosure, placement of backdoors, data removal, …).\n\nNote: The upload of files is only possible if the application built on Flow provides means to do so, and whether or not the upload of files poses a risk is dependent on the system setup. If uploaded script files are not executed by the server, there is no risk. In versions prior to 3.0.0 the upload of files with the extension php was blocked.\n\nIn Flow 2.3.0 to 2.3.6 a potential XML External Entity processing vulnerability has been discovered in the MediaTypeConverter.","public_affected_ranges":["ECOSYSTEM: introduced 3.0.0; fixed 3.0.1"]}],"null_published_at":"2026-10-31T22:12:57.142Z","source_updated_at":"2024-12-02T05:46:11.323Z","source_disclosed_at":"2024-06-05T18:26:34.000Z","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":"2026-10-31T21:41:49.642Z"}],"next_cursor":null,"snapshot_revision":"42594"}