{"items":[{"id":"NVI-00004546","kind":"vulnerability","title":"Cross-Site Scripting in Content Preview","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-fjh3-g8gq-9q92","CVE-2021-21340"],"plain_summary":"OSV carries this publisher advisory for typo3/cms-backend, typo3/cms-backend, typo3/cms-core, typo3/cms-core, typo3/cms. 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 10.4.14 for typo3/cms-backend. Confirm the publisher’s latest guidance.","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"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 11.1.1 for typo3/cms-backend. Confirm the publisher’s latest guidance.","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"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 10.4.14 for typo3/cms-core. Confirm the publisher’s latest guidance.","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"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 11.1.1 for typo3/cms-core. Confirm the publisher’s latest guidance.","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"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 10.4.14 for typo3/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"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 11.1.1 for typo3/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2021-21340","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:42:56.080Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms-backend","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 10.0.0; fixed 10.4.14"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms-backend","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 11.0.0; fixed 11.1.1"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms-core","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 10.0.0; fixed 10.4.14"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms-core","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 11.0.0; fixed 11.1.1"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 10.0.0; fixed 10.4.14"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 11.0.0; fixed 11.1.1"]}],"null_published_at":"2026-11-08T19:53:33.533Z","source_updated_at":"2026-07-08T06:28:00.165Z","source_disclosed_at":"2021-03-23T01:53:47.000Z","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":"2026-10-31T21:42:20.405Z"},{"id":"NVI-00004546","kind":"vulnerability","title":"Cross-Site Scripting in Content Preview","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-fjh3-g8gq-9q92","CVE-2021-21340"],"plain_summary":"OSV carries this publisher advisory for typo3/cms-backend, typo3/cms-backend, typo3/cms-core, typo3/cms-core, typo3/cms. 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This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 10.4.14 for typo3/cms-core. Confirm the publisher’s latest guidance.","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"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 11.1.1 for typo3/cms-core. Confirm the publisher’s latest guidance.","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"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 10.4.14 for typo3/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"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 11.1.1 for typo3/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"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-313f49316b91ec21daa6d87a65d9e0b3"],"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":"2026-06-17T03:35:19.993Z","value":"3.5 LOW (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-5567b21de7652893fee76cd5673970ac"},{"kind":"CVSS","as_of":"2026-06-17T03:35:19.993Z","value":"5.4 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-5567b21de7652893fee76cd5673970ac"},{"kind":"CVSS","as_of":"2026-06-17T03:35:19.993Z","value":"5.4 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-5567b21de7652893fee76cd5673970ac"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.872%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.58876. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2021-21340","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms-backend","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 10.0.0; fixed 10.4.14"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms-backend","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 11.0.0; fixed 11.1.1"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms-core","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 10.0.0; fixed 10.4.14"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms-core","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 11.0.0; fixed 11.1.1"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 10.0.0; fixed 10.4.14"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 11.0.0; fixed 11.1.1"]}],"null_published_at":"2026-10-31T22:27:15.284Z","source_updated_at":"2026-07-08T06:28:00.165Z","source_disclosed_at":"2021-03-23T01:53:47.000Z","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":"2026-10-31T21:42:20.405Z"},{"id":"NVI-00004546","kind":"vulnerability","title":"Cross-Site Scripting in Content Preview","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-fjh3-g8gq-9q92","CVE-2021-21340"],"plain_summary":"OSV carries this publisher advisory for typo3/cms-backend, typo3/cms-backend, typo3/cms-core, typo3/cms-core, typo3/cms. 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This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 10.4.14 for typo3/cms-core. Confirm the publisher’s latest guidance.","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"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 11.1.1 for typo3/cms-core. Confirm the publisher’s latest guidance.","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"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 10.4.14 for typo3/cms. 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This report has not examined your application.","related_sources":[{"id":"sr-6a7381c3f2a0e3542fcae1f219731ceb","url":"https://github.com/advisories/GHSA-fjh3-g8gq-9q92","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-fjh3-g8gq-9q92","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.405Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms-backend","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 10.0.0; fixed 10.4.14"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms-backend","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 11.0.0; fixed 11.1.1"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms-core","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 10.0.0; fixed 10.4.14"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms-core","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 11.0.0; fixed 11.1.1"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 10.0.0; fixed 10.4.14"]},{"certainty":"source_listed","source_ids":["sr-6a7381c3f2a0e3542fcae1f219731ceb"],"technology":"typo3/cms","known_exclusions":[],"conditions_summary":"### Problem\nIt has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed in the page module. A valid backend user account is needed to exploit this vulnerability.\n\n### Solution\nUpdate to TYPO3 versions 10.4.14, 11.1.1 that fix the problem described.\n\n### Credits\nThanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.\n\n### References\n* TYPO3-CORE-SA-2021-007","public_affected_ranges":["ECOSYSTEM: introduced 11.0.0; fixed 11.1.1"]}],"null_published_at":"2026-10-31T22:12:57.131Z","source_updated_at":"2026-07-08T06:28:00.165Z","source_disclosed_at":"2021-03-23T01:53:47.000Z","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":"2026-10-31T21:42:20.405Z"}],"next_cursor":null,"snapshot_revision":"42594"}