{"items":[{"id":"NVI-00003782","kind":"vulnerability","title":"TYPO3 Cross-Site Scripting in Backend Modal Component","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-g4c9-qfvw-fmr4"],"plain_summary":"OSV carries this publisher advisory for typo3/cms-core, typo3/cms-core, typo3/cms-core. 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 8.7.21 for typo3/cms-core. Confirm the publisher’s latest guidance.","source_ids":["sr-4ad87d2687dc3964b15c136e5f1bad58"],"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 9.5.2 for typo3/cms-core. Confirm the publisher’s latest guidance.","source_ids":["sr-4ad87d2687dc3964b15c136e5f1bad58"],"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 7.6.32 for typo3/cms-core. Confirm the publisher’s latest guidance.","source_ids":["sr-4ad87d2687dc3964b15c136e5f1bad58"],"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-4ad87d2687dc3964b15c136e5f1bad58","url":"https://github.com/advisories/GHSA-g4c9-qfvw-fmr4","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-g4c9-qfvw-fmr4","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.411Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4ad87d2687dc3964b15c136e5f1bad58"],"technology":"typo3/cms-core","known_exclusions":[],"conditions_summary":"Failing to properly encode user input, notifications shown in modal windows in the TYPO3 backend are vulnerable to cross-site scripting. A valid backend user account is needed in order to exploit this vulnerability.","public_affected_ranges":["ECOSYSTEM: introduced 8.0.0; fixed 8.7.21"]},{"certainty":"source_listed","source_ids":["sr-4ad87d2687dc3964b15c136e5f1bad58"],"technology":"typo3/cms-core","known_exclusions":[],"conditions_summary":"Failing to properly encode user input, notifications shown in modal windows in the TYPO3 backend are vulnerable to cross-site scripting. A valid backend user account is needed in order to exploit this vulnerability.","public_affected_ranges":["ECOSYSTEM: introduced 9.0.0; fixed 9.5.2"]},{"certainty":"source_listed","source_ids":["sr-4ad87d2687dc3964b15c136e5f1bad58"],"technology":"typo3/cms-core","known_exclusions":[],"conditions_summary":"Failing to properly encode user input, notifications shown in modal windows in the TYPO3 backend are vulnerable to cross-site scripting. A valid backend user account is needed in order to exploit this vulnerability.","public_affected_ranges":["ECOSYSTEM: introduced 7.1.0; fixed 7.6.32"]}],"null_published_at":"2026-10-31T22:12:48.030Z","source_updated_at":"2024-12-05T05:43:35.590Z","source_disclosed_at":"2024-05-30T14:57:50.000Z","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":"2026-10-31T21:42:20.411Z"}],"next_cursor":null,"snapshot_revision":"42594"}