{"metadata": {"vulnerability": "cve-2021-4263", "count": 20, "kinds": {"milestone": 5, "sighting": 1, "kev": 0, "other": 14}}, "data": [{"timestamp": "2022-12-21T00:00:00Z", "date_only": false, "value": "2022-12-21T00:00:00.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2021-4263", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2022-12-21T00:00:00Z", "date_only": false, "value": "2022-12-21T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "cve-2021-4263", "field": "cveMetadata.dateReserved"}, {"timestamp": "2022-12-21T00:00:00Z", "date_only": false, "value": "2022-12-21T00:00:00.000Z", "kind": "other", "label": "Timeline", "source": "cvelistv5 / VulDB", "record": "cve-2021-4263", "field": "containers.cna.timeline.0.time", "text": "Advisory disclosed"}, {"timestamp": "2022-12-21T01:00:00Z", "date_only": false, "value": "2022-12-21T01:00:00.000Z", "kind": "other", "label": "Timeline", "source": "cvelistv5 / VulDB", "record": "cve-2021-4263", "field": "containers.cna.timeline.2.time", "text": "VulDB entry created"}, {"timestamp": "2022-12-21T19:15:00Z", "date_only": false, "value": "2022-12-21T19:15:00Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-6CMV-2548-82V4", "record": "GHSA-6CMV-2548-82V4", "field": "database_specific.nvd_published_at", "linked_record": true}, {"timestamp": "2022-12-21T19:15:12.350Z", "date_only": false, "value": "2022-12-21T19:15:12.350", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-4263", "record": "FKIE_CVE-2021-4263", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2022-12-21T19:15:12.350Z", "date_only": false, "value": "2022-12-21T19:15:12.350", "kind": "milestone", "label": "Published", "source": "gsd \u00b7 GSD-2021-4263", "record": "GSD-2021-4263", "field": "namespaces.nvd.nist.gov.cve.published", "linked_record": true}, {"timestamp": "2022-12-21T21:30:15Z", "date_only": false, "value": "2022-12-21T21:30:15Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-6CMV-2548-82V4", "record": "GHSA-6CMV-2548-82V4", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2023-03-03T20:32:41Z", "date_only": false, "value": "2023-03-03T20:32:41.000Z", "kind": "other", "label": "Timeline", "source": "cvelistv5 / VulDB", "record": "cve-2021-4263", "field": "containers.cna.timeline.3.time", "text": "VulDB entry last update"}, {"timestamp": "2023-10-20T13:28:33.692Z", "date_only": false, "value": "2023-10-20T13:28:33.692Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / VulDB", "record": "cve-2021-4263", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2023-10-20T23:01:17Z", "date_only": false, "value": "2023-10-20T23:01:17Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-6CMV-2548-82V4", "record": "GHSA-6CMV-2548-82V4", "field": "modified", "linked_record": true}, {"timestamp": "2023-12-13T01:23:11.692Z", "date_only": false, "value": "2023-12-13T01:23:11.692834Z", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2021-4263", "record": "GSD-2021-4263", "field": "gsd.osvSchema.modified", "linked_record": true}, {"timestamp": "2024-04-11T01:13:38.880Z", "date_only": false, "value": "2024-04-11T01:13:38.880", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2021-4263", "record": "GSD-2021-4263", "field": "namespaces.nvd.nist.gov.cve.lastModified", "linked_record": true}, {"timestamp": "2024-08-03T17:23:10.510Z", "date_only": false, "value": "2024-08-03T17:23:10.510Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "cve-2021-4263", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2025-04-14T17:00:28.514Z", "date_only": false, "value": "2025-04-14T17:00:28.514626Z", "kind": "other", "label": "Recorded", "source": "cvelistv5 / CISA-ADP", "record": "cve-2021-4263", "field": "containers.adp.1.metrics.0.other.content.timestamp"}, {"timestamp": "2025-04-14T17:00:28.514Z", "date_only": false, "value": "2025-04-14T17:00:28.514626Z", "kind": "other", "label": "Recorded", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-4263", "record": "FKIE_CVE-2021-4263", "field": "metrics.ssvcV203.0.ssvcData.timestamp", "linked_record": true}, {"timestamp": "2025-04-14T17:30:21.115Z", "date_only": false, "value": "2025-04-14T17:30:21.115Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "cve-2021-4263", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2025-04-14T17:30:21.115Z", "date_only": false, "value": "2025-04-14T17:30:21.115Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CISA-ADP", "record": "cve-2021-4263", "field": "containers.adp.1.providerMetadata.dateUpdated"}, {"timestamp": "2025-04-14T17:54:26Z", "date_only": false, "value": "2025-04-14T17:54:26.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/11664", "record": "CVE-2021-4263", "field": "creation_timestamp", "uuid": "ffce5ab9-b854-4615-abb6-33e653ac1a0c", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2021-4263\n\ud83d\udd25 CVSS Score: 3.5 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N)\n\ud83d\udd39 Description: A vulnerability, which was classified as problematic, has been found in leanote 2.6.1. This issue affects the function define of the file public/js/plugins/history.js. The manipulation of the argument content leads to cross site scripting. The attack may be initiated remotely. The identifier of the patch is 0f9733c890077942150696dcc6d2b1482b7a0a19. It is recommended to apply a patch to fix this issue. The identifier VDB-216461 was assigned to this vulnerability.\n\ud83d\udccf Published: 2022-12-21T00:00:00.000Z\n\ud83d\udccf Modified: 2025-04-14T17:30:21.115Z\n\ud83d\udd17 References:\n1. https://vuldb.com/?id.216461\n2. https://vuldb.com/?ctiid.216461\n3. https://github.com/leanote/leanote/commit/0f9733c890077942150696dcc6d2b1482b7a0a19", "url": "https://t.me/DarkWebInformer_CVEAlerts/11664", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, {"timestamp": "2026-06-17T04:19:22.760Z", "date_only": false, "value": "2026-06-17T04:19:22.760", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-4263", "record": "FKIE_CVE-2021-4263", "field": "lastModified", "linked_record": true}], "metrics": {"as_of": "2026-11-09T01:53:29.671Z", "anchors": {"origin": {"timestamp": "2022-12-21T00:00:00Z", "date_only": false, "value": "2022-12-21T00:00:00.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2021-4263", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "discovery": null, "report": null, "acknowledgement": null, "disclosure": {"timestamp": "2022-12-21T00:00:00Z", "date_only": false, "value": "2022-12-21T00:00:00.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2021-4263", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "exploit_publication": {"timestamp": "2025-04-14T17:54:26Z", "date_only": false, "value": "2025-04-14T17:54:26.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/11664", "record": "CVE-2021-4263", "field": "creation_timestamp", "uuid": "ffce5ab9-b854-4615-abb6-33e653ac1a0c", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2021-4263\n\ud83d\udd25 CVSS Score: 3.5 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N)\n\ud83d\udd39 Description: A vulnerability, which was classified as problematic, has been found in leanote 2.6.1. This issue affects the function define of the file public/js/plugins/history.js. The manipulation of the argument content leads to cross site scripting. The attack may be initiated remotely. The identifier of the patch is 0f9733c890077942150696dcc6d2b1482b7a0a19. It is recommended to apply a patch to fix this issue. The identifier VDB-216461 was assigned to this vulnerability.\n\ud83d\udccf Published: 2022-12-21T00:00:00.000Z\n\ud83d\udccf Modified: 2025-04-14T17:30:21.115Z\n\ud83d\udd17 References:\n1. https://vuldb.com/?id.216461\n2. https://vuldb.com/?ctiid.216461\n3. https://github.com/leanote/leanote/commit/0f9733c890077942150696dcc6d2b1482b7a0a19", "url": "https://t.me/DarkWebInformer_CVEAlerts/11664", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, "exploitation": null, "patch": null}, "vendor_response_time": {"available": false, "missing": ["start", "end"]}, "time_to_exploit": {"available": false, "missing": ["end"]}, "disclosure_to_exploit": {"available": false, "missing": ["end"]}, "disclosure_to_exploit_publication": {"available": true, "seconds": 73072466.0, "hours": 20297.907222222224, "days": 845.7461342592593, "min_seconds": 72986066.0, "max_seconds": 73072466.0, "approximate": true, "ongoing": false, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2022-12-21T00:00:00Z", "date_only": false, "value": "2022-12-21T00:00:00.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2021-4263", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2025-04-14T17:54:26Z", "date_only": false, "value": "2025-04-14T17:54:26.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/11664", "record": "CVE-2021-4263", "field": "creation_timestamp", "uuid": "ffce5ab9-b854-4615-abb6-33e653ac1a0c", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2021-4263\n\ud83d\udd25 CVSS Score: 3.5 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N)\n\ud83d\udd39 Description: A vulnerability, which was classified as problematic, has been found in leanote 2.6.1. This issue affects the function define of the file public/js/plugins/history.js. The manipulation of the argument content leads to cross site scripting. The attack may be initiated remotely. The identifier of the patch is 0f9733c890077942150696dcc6d2b1482b7a0a19. It is recommended to apply a patch to fix this issue. The identifier VDB-216461 was assigned to this vulnerability.\n\ud83d\udccf Published: 2022-12-21T00:00:00.000Z\n\ud83d\udccf Modified: 2025-04-14T17:30:21.115Z\n\ud83d\udd17 References:\n1. https://vuldb.com/?id.216461\n2. https://vuldb.com/?ctiid.216461\n3. https://github.com/leanote/leanote/commit/0f9733c890077942150696dcc6d2b1482b7a0a19", "url": "https://t.me/DarkWebInformer_CVEAlerts/11664", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}}, "time_to_patch": {"available": false, "missing": ["start", "end"]}, "total_time_to_patch": {"available": false, "missing": ["start", "end"]}, "disclosure_to_patch": {"available": false, "missing": ["end"]}, "time_unpatched": {"available": true, "seconds": 122608409.671527, "hours": 34057.89157542417, "days": 1419.0788156426736, "min_seconds": 122522009.671527, "max_seconds": 122608409.671527, "approximate": true, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2022-12-21T00:00:00Z", "date_only": false, "value": "2022-12-21T00:00:00.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2021-4263", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2026-11-09T01:53:29.671Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}, "exploitation_to_patch": {"available": false, "missing": ["start"]}, "exploit_publication_to_patch": {"available": true, "seconds": 49535943.671527, "hours": 13759.984353201944, "days": 573.3326813834143, "min_seconds": 49535943.671527, "max_seconds": 49535943.671527, "approximate": false, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2025-04-14T17:54:26Z", "date_only": false, "value": "2025-04-14T17:54:26.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/11664", "record": "CVE-2021-4263", "field": "creation_timestamp", "uuid": "ffce5ab9-b854-4615-abb6-33e653ac1a0c", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2021-4263\n\ud83d\udd25 CVSS Score: 3.5 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N)\n\ud83d\udd39 Description: A vulnerability, which was classified as problematic, has been found in leanote 2.6.1. This issue affects the function define of the file public/js/plugins/history.js. The manipulation of the argument content leads to cross site scripting. The attack may be initiated remotely. The identifier of the patch is 0f9733c890077942150696dcc6d2b1482b7a0a19. It is recommended to apply a patch to fix this issue. The identifier VDB-216461 was assigned to this vulnerability.\n\ud83d\udccf Published: 2022-12-21T00:00:00.000Z\n\ud83d\udccf Modified: 2025-04-14T17:30:21.115Z\n\ud83d\udd17 References:\n1. https://vuldb.com/?id.216461\n2. https://vuldb.com/?ctiid.216461\n3. https://github.com/leanote/leanote/commit/0f9733c890077942150696dcc6d2b1482b7a0a19", "url": "https://t.me/DarkWebInformer_CVEAlerts/11664", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, "end": {"timestamp": "2026-11-09T01:53:29.671Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}}}