{"items":[{"id":"NVI-00007030","kind":"vulnerability","title":"October CMS has Stored XSS in Backend Editor Markup Classes","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-6qmh-j78v-ffp7","CVE-2026-24906"],"plain_summary":"OSV carries this publisher advisory for october/system, october/system. 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 4.1.10 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-cc1c3b396b3317529f7197ebb50a97bd"],"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 3.7.14 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-cc1c3b396b3317529f7197ebb50a97bd"],"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-562366f6e2960c733920aae114b52686"],"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":"2026-10-26T21:10:00.170Z","value":"5.4 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-3b6419634ed8fb167231a9a80a6ef36a"},{"kind":"CVSS","as_of":"2026-10-26T21:10:00.170Z","value":"5.1 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-3b6419634ed8fb167231a9a80a6ef36a"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.252%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.16703. Missing scores are unknown.","source_id":"sr-562366f6e2960c733920aae114b52686"}],"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-cc1c3b396b3317529f7197ebb50a97bd","url":"https://github.com/advisories/GHSA-6qmh-j78v-ffp7","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-6qmh-j78v-ffp7","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.939Z"},{"id":"sr-3b6419634ed8fb167231a9a80a6ef36a","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24906","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-24906","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:47.597Z"},{"id":"sr-562366f6e2960c733920aae114b52686","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. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-24906","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-cc1c3b396b3317529f7197ebb50a97bd"],"technology":"october/system","known_exclusions":[],"conditions_summary":"A stored cross-site scripting (XSS) vulnerability was identified in the Backend Editor Settings. The Markup Classes fields (used for paragraph styles, inline styles, table styles, etc.) did not sanitize input to valid CSS class name characters. Malicious values were rendered unsanitized in Froala editor dropdown menus, allowing JavaScript execution when any user opened a RichEditor.\n\n### Impact\n- Stored XSS via editor settings rendered in RichEditor dropdowns\n- Could allow privilege escalation if a superuser opens any RichEditor (e.g., editing a blog post)\n- Requires authenticated backend access with editor settings permissions\n- Triggers on routine content editing operations\n\n### Patches\nThe vulnerability has been patched in v3.7.14 and v4.1.10. All users are encouraged to upgrade to the latest patched version.\n\n### Workarounds\nIf upgrading immediately is not possible:\n- Restrict editor settings permissions to fully trusted administrators only\n\n### References\n- Reported by Chris Alupului","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 4.1.10"]},{"certainty":"source_listed","source_ids":["sr-cc1c3b396b3317529f7197ebb50a97bd"],"technology":"october/system","known_exclusions":[],"conditions_summary":"A stored cross-site scripting (XSS) vulnerability was identified in the Backend Editor Settings. The Markup Classes fields (used for paragraph styles, inline styles, table styles, etc.) did not sanitize input to valid CSS class name characters. Malicious values were rendered unsanitized in Froala editor dropdown menus, allowing JavaScript execution when any user opened a RichEditor.\n\n### Impact\n- Stored XSS via editor settings rendered in RichEditor dropdowns\n- Could allow privilege escalation if a superuser opens any RichEditor (e.g., editing a blog post)\n- Requires authenticated backend access with editor settings permissions\n- Triggers on routine content editing operations\n\n### Patches\nThe vulnerability has been patched in v3.7.14 and v4.1.10. All users are encouraged to upgrade to the latest patched version.\n\n### Workarounds\nIf upgrading immediately is not possible:\n- Restrict editor settings permissions to fully trusted administrators only\n\n### References\n- Reported by Chris Alupului","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.7.14"]}],"null_published_at":"2026-11-01T14:34:07.629Z","source_updated_at":"2026-05-05T16:02:41.032Z","source_disclosed_at":"2026-04-14T20:02:31.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:59.939Z"},{"id":"NVI-00007030","kind":"vulnerability","title":"October CMS has Stored XSS in Backend Editor Markup Classes","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6qmh-j78v-ffp7","CVE-2026-24906"],"plain_summary":"OSV carries this publisher advisory for october/system, october/system. 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 4.1.10 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-cc1c3b396b3317529f7197ebb50a97bd"],"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 3.7.14 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-cc1c3b396b3317529f7197ebb50a97bd"],"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-562366f6e2960c733920aae114b52686"],"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":"2026-10-31T12:00:27.000Z","value":"0.252%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.16703. Missing scores are unknown.","source_id":"sr-562366f6e2960c733920aae114b52686"}],"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-cc1c3b396b3317529f7197ebb50a97bd","url":"https://github.com/advisories/GHSA-6qmh-j78v-ffp7","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-6qmh-j78v-ffp7","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.939Z"},{"id":"sr-562366f6e2960c733920aae114b52686","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. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-24906","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-cc1c3b396b3317529f7197ebb50a97bd"],"technology":"october/system","known_exclusions":[],"conditions_summary":"A stored cross-site scripting (XSS) vulnerability was identified in the Backend Editor Settings. The Markup Classes fields (used for paragraph styles, inline styles, table styles, etc.) did not sanitize input to valid CSS class name characters. Malicious values were rendered unsanitized in Froala editor dropdown menus, allowing JavaScript execution when any user opened a RichEditor.\n\n### Impact\n- Stored XSS via editor settings rendered in RichEditor dropdowns\n- Could allow privilege escalation if a superuser opens any RichEditor (e.g., editing a blog post)\n- Requires authenticated backend access with editor settings permissions\n- Triggers on routine content editing operations\n\n### Patches\nThe vulnerability has been patched in v3.7.14 and v4.1.10. All users are encouraged to upgrade to the latest patched version.\n\n### Workarounds\nIf upgrading immediately is not possible:\n- Restrict editor settings permissions to fully trusted administrators only\n\n### References\n- Reported by Chris Alupului","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 4.1.10"]},{"certainty":"source_listed","source_ids":["sr-cc1c3b396b3317529f7197ebb50a97bd"],"technology":"october/system","known_exclusions":[],"conditions_summary":"A stored cross-site scripting (XSS) vulnerability was identified in the Backend Editor Settings. The Markup Classes fields (used for paragraph styles, inline styles, table styles, etc.) did not sanitize input to valid CSS class name characters. Malicious values were rendered unsanitized in Froala editor dropdown menus, allowing JavaScript execution when any user opened a RichEditor.\n\n### Impact\n- Stored XSS via editor settings rendered in RichEditor dropdowns\n- Could allow privilege escalation if a superuser opens any RichEditor (e.g., editing a blog post)\n- Requires authenticated backend access with editor settings permissions\n- Triggers on routine content editing operations\n\n### Patches\nThe vulnerability has been patched in v3.7.14 and v4.1.10. All users are encouraged to upgrade to the latest patched version.\n\n### Workarounds\nIf upgrading immediately is not possible:\n- Restrict editor settings permissions to fully trusted administrators only\n\n### References\n- Reported by Chris Alupului","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.7.14"]}],"null_published_at":"2026-11-01T01:45:38.496Z","source_updated_at":"2026-05-05T16:02:41.032Z","source_disclosed_at":"2026-04-14T20:02:31.000Z","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":"2026-10-31T21:41:59.939Z"},{"id":"NVI-00007030","kind":"vulnerability","title":"October CMS has Stored XSS in Backend Editor Markup Classes","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6qmh-j78v-ffp7","CVE-2026-24906"],"plain_summary":"OSV carries this publisher advisory for october/system, october/system. 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 4.1.10 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-cc1c3b396b3317529f7197ebb50a97bd"],"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 3.7.14 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-cc1c3b396b3317529f7197ebb50a97bd"],"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-cc1c3b396b3317529f7197ebb50a97bd","url":"https://github.com/advisories/GHSA-6qmh-j78v-ffp7","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-6qmh-j78v-ffp7","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.939Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-cc1c3b396b3317529f7197ebb50a97bd"],"technology":"october/system","known_exclusions":[],"conditions_summary":"A stored cross-site scripting (XSS) vulnerability was identified in the Backend Editor Settings. The Markup Classes fields (used for paragraph styles, inline styles, table styles, etc.) did not sanitize input to valid CSS class name characters. Malicious values were rendered unsanitized in Froala editor dropdown menus, allowing JavaScript execution when any user opened a RichEditor.\n\n### Impact\n- Stored XSS via editor settings rendered in RichEditor dropdowns\n- Could allow privilege escalation if a superuser opens any RichEditor (e.g., editing a blog post)\n- Requires authenticated backend access with editor settings permissions\n- Triggers on routine content editing operations\n\n### Patches\nThe vulnerability has been patched in v3.7.14 and v4.1.10. All users are encouraged to upgrade to the latest patched version.\n\n### Workarounds\nIf upgrading immediately is not possible:\n- Restrict editor settings permissions to fully trusted administrators only\n\n### References\n- Reported by Chris Alupului","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 4.1.10"]},{"certainty":"source_listed","source_ids":["sr-cc1c3b396b3317529f7197ebb50a97bd"],"technology":"october/system","known_exclusions":[],"conditions_summary":"A stored cross-site scripting (XSS) vulnerability was identified in the Backend Editor Settings. The Markup Classes fields (used for paragraph styles, inline styles, table styles, etc.) did not sanitize input to valid CSS class name characters. Malicious values were rendered unsanitized in Froala editor dropdown menus, allowing JavaScript execution when any user opened a RichEditor.\n\n### Impact\n- Stored XSS via editor settings rendered in RichEditor dropdowns\n- Could allow privilege escalation if a superuser opens any RichEditor (e.g., editing a blog post)\n- Requires authenticated backend access with editor settings permissions\n- Triggers on routine content editing operations\n\n### Patches\nThe vulnerability has been patched in v3.7.14 and v4.1.10. All users are encouraged to upgrade to the latest patched version.\n\n### Workarounds\nIf upgrading immediately is not possible:\n- Restrict editor settings permissions to fully trusted administrators only\n\n### References\n- Reported by Chris Alupului","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.7.14"]}],"null_published_at":"2026-10-31T22:13:14.308Z","source_updated_at":"2026-05-05T16:02:41.032Z","source_disclosed_at":"2026-04-14T20:02:31.000Z","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":"2026-10-31T21:41:59.939Z"}],"next_cursor":null,"snapshot_revision":"42594"}