{"items":[{"id":"NVI-00007928","kind":"vulnerability","title":"Concrete CMS Stored XSS in the \"Next&Previous Nav\" block","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-xmxj-v2q8-8qx6","CVE-2024-8661"],"plain_summary":"OSV carries this publisher advisory for concrete5/concrete5, concrete5/concrete5. 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 8.5.19 for concrete5/concrete5. Confirm the publisher’s latest guidance.","source_ids":["sr-ee5f5467a83db8e08b4dc8c6064c43ff"],"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 9.3.4 for concrete5/concrete5. Confirm the publisher’s latest guidance.","source_ids":["sr-ee5f5467a83db8e08b4dc8c6064c43ff"],"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-2abb1a093e31b88905d349244de1fb48"],"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":"2026-06-17T08:23:04.207Z","value":"4.8 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-66867c6bffd3fd763951ae9d4092e475"},{"kind":"CVSS","as_of":"2026-06-17T08:23:04.207Z","value":"4.6 MEDIUM (4.0)","meaning":"ff5b8ace-8b95-4078-9743-eac1ca5451de severity; no combined Null risk score.","source_id":"sr-66867c6bffd3fd763951ae9d4092e475"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.441%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.38319. Missing scores are unknown.","source_id":"sr-2abb1a093e31b88905d349244de1fb48"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2024-8661","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.829Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ee5f5467a83db8e08b4dc8c6064c43ff"],"technology":"concrete5/concrete5","known_exclusions":[],"conditions_summary":"Concrete CMS versions 9.0.0 to 9.3.4 and below 8.5.19 are vulnerable to Stored XSS in the \"Next&Previous Nav\" block. A rogue administrator could add a malicious payload  by executing it in the browsers of targeted users. 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Since the \"Next&Previous Nav\" block output was not sufficiently sanitized, the malicious payload could be executed in the browsers of targeted users.","public_affected_ranges":["ECOSYSTEM: introduced 9.0.0; fixed 9.3.4"]}],"null_published_at":"2026-11-08T19:53:38.912Z","source_updated_at":"2024-09-16T21:42:41.119Z","source_disclosed_at":"2024-09-16T18:31:22.000Z","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":"2026-10-31T21:42:51.447Z"},{"id":"NVI-00007928","kind":"vulnerability","title":"Concrete CMS Stored XSS in the \"Next&Previous Nav\" block","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-xmxj-v2q8-8qx6","CVE-2024-8661"],"plain_summary":"OSV carries this publisher advisory for concrete5/concrete5, concrete5/concrete5. 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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-1e827cece99f5c6bd94415131b30481e"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2024-8661","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.256Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ee5f5467a83db8e08b4dc8c6064c43ff"],"technology":"concrete5/concrete5","known_exclusions":[],"conditions_summary":"Concrete CMS versions 9.0.0 to 9.3.4 and below 8.5.19 are vulnerable to Stored XSS in the \"Next&Previous Nav\" block. A rogue administrator could add a malicious payload  by executing it in the browsers of targeted users. 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Since the \"Next&Previous Nav\" block output was not sufficiently sanitized, the malicious payload could be executed in the browsers of targeted users.","public_affected_ranges":["ECOSYSTEM: introduced 9.0.0; fixed 9.3.4"]}],"null_published_at":"2026-11-07T07:07:42.480Z","source_updated_at":"2024-09-16T21:42:41.119Z","source_disclosed_at":"2024-09-16T18:31:22.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:51.447Z"},{"id":"NVI-00007928","kind":"vulnerability","title":"Concrete CMS Stored XSS in the \"Next&Previous Nav\" block","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-xmxj-v2q8-8qx6","CVE-2024-8661"],"plain_summary":"OSV carries this publisher advisory for concrete5/concrete5, concrete5/concrete5. 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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-1e827cece99f5c6bd94415131b30481e"],"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":"2026-11-01T12:00:16.000Z","value":"0.441%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.38331. Missing scores are unknown.","source_id":"sr-1e827cece99f5c6bd94415131b30481e"}],"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-ee5f5467a83db8e08b4dc8c6064c43ff","url":"https://github.com/advisories/GHSA-xmxj-v2q8-8qx6","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-xmxj-v2q8-8qx6","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.447Z"},{"id":"sr-1e827cece99f5c6bd94415131b30481e","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. 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Since the \"Next&Previous Nav\" block output was not sufficiently sanitized, the malicious payload could be executed in the browsers of targeted users.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 8.5.19"]},{"certainty":"source_listed","source_ids":["sr-ee5f5467a83db8e08b4dc8c6064c43ff"],"technology":"concrete5/concrete5","known_exclusions":[],"conditions_summary":"Concrete CMS versions 9.0.0 to 9.3.4 and below 8.5.19 are vulnerable to Stored XSS in the \"Next&Previous Nav\" block. A rogue administrator could add a malicious payload  by executing it in the browsers of targeted users. Since the \"Next&Previous Nav\" block output was not sufficiently sanitized, the malicious payload could be executed in the browsers of targeted users.","public_affected_ranges":["ECOSYSTEM: introduced 9.0.0; fixed 9.3.4"]}],"null_published_at":"2026-11-04T18:04:03.132Z","source_updated_at":"2024-09-16T21:42:41.119Z","source_disclosed_at":"2024-09-16T18:31:22.000Z","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":"2026-10-31T21:42:51.447Z"},{"id":"NVI-00007928","kind":"vulnerability","title":"Concrete CMS Stored XSS in the \"Next&Previous Nav\" block","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-xmxj-v2q8-8qx6","CVE-2024-8661"],"plain_summary":"OSV carries this publisher advisory for concrete5/concrete5, concrete5/concrete5. 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A rogue administrator could add a malicious payload  by executing it in the browsers of targeted users. Since the \"Next&Previous Nav\" block output was not sufficiently sanitized, the malicious payload could be executed in the browsers of targeted users.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 8.5.19"]},{"certainty":"source_listed","source_ids":["sr-ee5f5467a83db8e08b4dc8c6064c43ff"],"technology":"concrete5/concrete5","known_exclusions":[],"conditions_summary":"Concrete CMS versions 9.0.0 to 9.3.4 and below 8.5.19 are vulnerable to Stored XSS in the \"Next&Previous Nav\" block. A rogue administrator could add a malicious payload  by executing it in the browsers of targeted users. Since the \"Next&Previous Nav\" block output was not sufficiently sanitized, the malicious payload could be executed in the browsers of targeted users.","public_affected_ranges":["ECOSYSTEM: introduced 9.0.0; fixed 9.3.4"]}],"null_published_at":"2026-10-31T22:13:18.641Z","source_updated_at":"2024-09-16T21:42:41.119Z","source_disclosed_at":"2024-09-16T18:31:22.000Z","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":"2026-10-31T21:42:51.447Z"}],"next_cursor":null,"snapshot_revision":"42594"}