{"items":[{"id":"NVI-00012003","kind":"vulnerability","title":"unstructured: Stored XSS via unescaped HTML generation","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v5mq-3xhg-98m9","CVE-2026-104250"],"plain_summary":"GitHub lists this reviewed advisory for unstructured. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1367878675fecc04c12d1c422c44abce"],"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":"2026-10-15T20:16:20.000Z","value":"6.1 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-81dc6005782ab065e1e6b35cece97e00"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.234%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.14407. Missing scores are unknown.","source_id":"sr-1367878675fecc04c12d1c422c44abce"}],"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-81dc6005782ab065e1e6b35cece97e00","url":"https://github.com/advisories/GHSA-v5mq-3xhg-98m9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-v5mq-3xhg-98m9","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:14.588Z"},{"id":"sr-1367878675fecc04c12d1c422c44abce","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-2026-104250","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.262Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-81dc6005782ab065e1e6b35cece97e00"],"technology":"unstructured","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen `unstructured` parses an untrusted document and outputs the result as HTML, malicious markup contained in the document (e.g. ``) is left in the output HTML without escaping. When that output is displayed in a browser, the script embedded in the document executes in the viewer's browser.\n\n### Details\n\n`partition_html(html_parser_version=\"v2\")` (and the VLM partitioner) preserve the input document's element tags, attributes, and text into `metadata.text_as_html`, and `elements_to_html()` outputs that as an HTML document.\n\nThe function that builds HTML on this path, `to_html()` in `unstructured/documents/ontology.py`, performs no escaping at all. As a result, event handlers such as `onerror` / `onmouseover` / `onload` originating from the input document are left in the output HTML as-is (literal `` tags are stripped by the parser, but attribute-based vectors and `javascript:` URLs are not). In addition, link URLs are not scheme-filtered, so `` is also emitted.\n\nRelevant source: `documents/ontology.py` (`to_html`, `_construct_attribute_string`, `_generate_final_html`); `partition/html/transformations.py` (`text_a","public_affected_ranges":["<= 0.24.0"]}],"null_published_at":"2026-11-03T17:49:18.479Z","source_updated_at":"2026-10-15T20:16:20.000Z","source_disclosed_at":"2026-10-15T20:16:18.000Z","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":"2026-10-31T23:14:14.588Z"},{"id":"NVI-00012003","kind":"vulnerability","title":"unstructured: Stored XSS via unescaped HTML generation","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v5mq-3xhg-98m9","CVE-2026-104250"],"plain_summary":"GitHub lists this reviewed advisory for unstructured. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-621261f8e42c07c1f2dcd09d6142018e"],"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":"2026-10-15T20:16:20.000Z","value":"6.1 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-81dc6005782ab065e1e6b35cece97e00"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.234%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.1441. Missing scores are unknown.","source_id":"sr-621261f8e42c07c1f2dcd09d6142018e"}],"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-81dc6005782ab065e1e6b35cece97e00","url":"https://github.com/advisories/GHSA-v5mq-3xhg-98m9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-v5mq-3xhg-98m9","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:14.588Z"},{"id":"sr-621261f8e42c07c1f2dcd09d6142018e","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-2026-104250","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.063Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-81dc6005782ab065e1e6b35cece97e00"],"technology":"unstructured","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen `unstructured` parses an untrusted document and outputs the result as HTML, malicious markup contained in the document (e.g. ``) is left in the output HTML without escaping. When that output is displayed in a browser, the script embedded in the document executes in the viewer's browser.\n\n### Details\n\n`partition_html(html_parser_version=\"v2\")` (and the VLM partitioner) preserve the input document's element tags, attributes, and text into `metadata.text_as_html`, and `elements_to_html()` outputs that as an HTML document.\n\nThe function that builds HTML on this path, `to_html()` in `unstructured/documents/ontology.py`, performs no escaping at all. As a result, event handlers such as `onerror` / `onmouseover` / `onload` originating from the input document are left in the output HTML as-is (literal `` tags are stripped by the parser, but attribute-based vectors and `javascript:` URLs are not). In addition, link URLs are not scheme-filtered, so `` is also emitted.\n\nRelevant source: `documents/ontology.py` (`to_html`, `_construct_attribute_string`, `_generate_final_html`); `partition/html/transformations.py` (`text_a","public_affected_ranges":["<= 0.24.0"]}],"null_published_at":"2026-11-01T22:58:19.135Z","source_updated_at":"2026-10-15T20:16:20.000Z","source_disclosed_at":"2026-10-15T20:16:18.000Z","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":"2026-10-31T23:14:14.588Z"},{"id":"NVI-00012003","kind":"vulnerability","title":"unstructured: Stored XSS via unescaped HTML generation","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v5mq-3xhg-98m9","CVE-2026-104250"],"plain_summary":"GitHub lists this reviewed advisory for unstructured. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-81dc6005782ab065e1e6b35cece97e00"],"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":"2026-10-15T20:16:20.000Z","value":"6.1 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-81dc6005782ab065e1e6b35cece97e00"}],"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-81dc6005782ab065e1e6b35cece97e00","url":"https://github.com/advisories/GHSA-v5mq-3xhg-98m9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-v5mq-3xhg-98m9","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:14.588Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-81dc6005782ab065e1e6b35cece97e00"],"technology":"unstructured","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen `unstructured` parses an untrusted document and outputs the result as HTML, malicious markup contained in the document (e.g. ``) is left in the output HTML without escaping. When that output is displayed in a browser, the script embedded in the document executes in the viewer's browser.\n\n### Details\n\n`partition_html(html_parser_version=\"v2\")` (and the VLM partitioner) preserve the input document's element tags, attributes, and text into `metadata.text_as_html`, and `elements_to_html()` outputs that as an HTML document.\n\nThe function that builds HTML on this path, `to_html()` in `unstructured/documents/ontology.py`, performs no escaping at all. As a result, event handlers such as `onerror` / `onmouseover` / `onload` originating from the input document are left in the output HTML as-is (literal `` tags are stripped by the parser, but attribute-based vectors and `javascript:` URLs are not). In addition, link URLs are not scheme-filtered, so `` is also emitted.\n\nRelevant source: `documents/ontology.py` (`to_html`, `_construct_attribute_string`, `_generate_final_html`); `partition/html/transformations.py` (`text_a","public_affected_ranges":["<= 0.24.0"]}],"null_published_at":"2026-11-01T01:03:56.621Z","source_updated_at":"2026-10-15T20:16:20.000Z","source_disclosed_at":"2026-10-15T20:16:18.000Z","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":"2026-10-31T23:14:14.588Z"}],"next_cursor":null,"snapshot_revision":"40769"}