{"items":[{"id":"NVI-00005731","kind":"vulnerability","title":"Moderate severity vulnerability that affects league/commonmark","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-3v43-877x-qgmq","CVE-2019-10010"],"plain_summary":"OSV carries this publisher advisory for league/commonmark. 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 0.18.3 for league/commonmark. Confirm the publisher’s latest guidance.","source_ids":["sr-9a4644e1abcc47c4a1ad1c1d6107dade"],"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-34594f984209ad372451a991afbee16a"],"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":"2026-06-17T02:10:01.933Z","value":"4.3 MEDIUM (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-15e9ab01b9a0e421491d6d52c3f18c64"},{"kind":"CVSS","as_of":"2026-06-17T02:10:01.933Z","value":"6.1 MEDIUM (3.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-15e9ab01b9a0e421491d6d52c3f18c64"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"1.050%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.6428. Missing scores are unknown.","source_id":"sr-34594f984209ad372451a991afbee16a"}],"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-9a4644e1abcc47c4a1ad1c1d6107dade","url":"https://github.com/advisories/GHSA-3v43-877x-qgmq","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-3v43-877x-qgmq","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.660Z"},{"id":"sr-15e9ab01b9a0e421491d6d52c3f18c64","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-10010","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2019-10010","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T22:06:21.803Z"},{"id":"sr-34594f984209ad372451a991afbee16a","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-2019-10010","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:27:48.610Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-9a4644e1abcc47c4a1ad1c1d6107dade"],"technology":"league/commonmark","known_exclusions":[],"conditions_summary":"## CVE-2019-10010\n\n### Impact\n\nIn `league/commonmark` 0.18.2 and below, malicious users can insert double-encoded HTML entities into their Markdown like this:\n\n```md\nXSS\n```\n\nThis library would (correctly) unescape the `&` entity to `&` during the parsing step.  However, **the renderer step would fail to properly re-escape the resulting `:` string**, thus producing the following malicious HTML output:\n\n```html\nXSS\n```\n\nBrowsers would interpret `:` as a `:` character and allow the JS to be executed when the link is clicked.\n\nThis vulnerability was present in the upstream library this project was forked from and therefore exists in all prior versions of `league/commonmark`.\n\n### Solution\n\nThe new 0.18.3 release mirrors the fix made upstream - we no longer attempt to preserve entities when rendering HTML attributes like `href`, `src`, `title`, etc.\n\nThe `$preserveEntities` parameter of `Xml::escape()` is theref","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 0.18.3"]}],"null_published_at":"2026-11-07T18:43:12.119Z","source_updated_at":"2024-02-16T08:15:08.451Z","source_disclosed_at":"2019-09-17T22:47:47.000Z","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":"2026-10-31T21:41:49.660Z"},{"id":"NVI-00005731","kind":"vulnerability","title":"Moderate severity vulnerability that affects league/commonmark","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-3v43-877x-qgmq","CVE-2019-10010"],"plain_summary":"OSV carries this publisher advisory for league/commonmark. 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 0.18.3 for league/commonmark. Confirm the publisher’s latest guidance.","source_ids":["sr-9a4644e1abcc47c4a1ad1c1d6107dade"],"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-4c29fd4184292522392b0ea5a22be985"],"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":"2026-06-17T02:10:01.933Z","value":"4.3 MEDIUM (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-15e9ab01b9a0e421491d6d52c3f18c64"},{"kind":"CVSS","as_of":"2026-06-17T02:10:01.933Z","value":"6.1 MEDIUM (3.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-15e9ab01b9a0e421491d6d52c3f18c64"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"1.050%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.64281. Missing scores are unknown.","source_id":"sr-4c29fd4184292522392b0ea5a22be985"}],"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-9a4644e1abcc47c4a1ad1c1d6107dade","url":"https://github.com/advisories/GHSA-3v43-877x-qgmq","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-3v43-877x-qgmq","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.660Z"},{"id":"sr-15e9ab01b9a0e421491d6d52c3f18c64","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-10010","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2019-10010","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T22:06:21.803Z"},{"id":"sr-4c29fd4184292522392b0ea5a22be985","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-2019-10010","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-9a4644e1abcc47c4a1ad1c1d6107dade"],"technology":"league/commonmark","known_exclusions":[],"conditions_summary":"## CVE-2019-10010\n\n### Impact\n\nIn `league/commonmark` 0.18.2 and below, malicious users can insert double-encoded HTML entities into their Markdown like this:\n\n```md\nXSS\n```\n\nThis library would (correctly) unescape the `&` entity to `&` during the parsing step.  However, **the renderer step would fail to properly re-escape the resulting `:` string**, thus producing the following malicious HTML output:\n\n```html\nXSS\n```\n\nBrowsers would interpret `:` as a `:` character and allow the JS to be executed when the link is clicked.\n\nThis vulnerability was present in the upstream library this project was forked from and therefore exists in all prior versions of `league/commonmark`.\n\n### Solution\n\nThe new 0.18.3 release mirrors the fix made upstream - we no longer attempt to preserve entities when rendering HTML attributes like `href`, `src`, `title`, etc.\n\nThe `$preserveEntities` parameter of `Xml::escape()` is theref","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 0.18.3"]}],"null_published_at":"2026-10-31T23:18:17.275Z","source_updated_at":"2024-02-16T08:15:08.451Z","source_disclosed_at":"2019-09-17T22:47:47.000Z","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":"2026-10-31T21:41:49.660Z"},{"id":"NVI-00005731","kind":"vulnerability","title":"Moderate severity vulnerability that affects league/commonmark","revision":2,"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-3v43-877x-qgmq","CVE-2019-10010"],"plain_summary":"OSV carries this publisher advisory for league/commonmark. 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 0.18.3 for league/commonmark. Confirm the publisher’s latest guidance.","source_ids":["sr-9a4644e1abcc47c4a1ad1c1d6107dade"],"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-15e9ab01b9a0e421491d6d52c3f18c64"],"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":"2026-06-17T02:10:01.933Z","value":"4.3 MEDIUM (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-15e9ab01b9a0e421491d6d52c3f18c64"},{"kind":"CVSS","as_of":"2026-06-17T02:10:01.933Z","value":"6.1 MEDIUM (3.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-15e9ab01b9a0e421491d6d52c3f18c64"}],"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-9a4644e1abcc47c4a1ad1c1d6107dade","url":"https://github.com/advisories/GHSA-3v43-877x-qgmq","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-3v43-877x-qgmq","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.660Z"},{"id":"sr-15e9ab01b9a0e421491d6d52c3f18c64","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-10010","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2019-10010","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T22:06:21.803Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-9a4644e1abcc47c4a1ad1c1d6107dade"],"technology":"league/commonmark","known_exclusions":[],"conditions_summary":"## CVE-2019-10010\n\n### Impact\n\nIn `league/commonmark` 0.18.2 and below, malicious users can insert double-encoded HTML entities into their Markdown like this:\n\n```md\nXSS\n```\n\nThis library would (correctly) unescape the `&` entity to `&` during the parsing step.  However, **the renderer step would fail to properly re-escape the resulting `:` string**, thus producing the following malicious HTML output:\n\n```html\nXSS\n```\n\nBrowsers would interpret `:` as a `:` character and allow the JS to be executed when the link is clicked.\n\nThis vulnerability was present in the upstream library this project was forked from and therefore exists in all prior versions of `league/commonmark`.\n\n### Solution\n\nThe new 0.18.3 release mirrors the fix made upstream - we no longer attempt to preserve entities when rendering HTML attributes like `href`, `src`, `title`, etc.\n\nThe `$preserveEntities` parameter of `Xml::escape()` is theref","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 0.18.3"]}],"null_published_at":"2026-10-31T22:27:03.541Z","source_updated_at":"2024-02-16T08:15:08.451Z","source_disclosed_at":"2019-09-17T22:47:47.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:49.660Z"},{"id":"NVI-00005731","kind":"vulnerability","title":"Moderate severity vulnerability that affects league/commonmark","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-3v43-877x-qgmq","CVE-2019-10010"],"plain_summary":"OSV carries this publisher advisory for league/commonmark. 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 0.18.3 for league/commonmark. Confirm the publisher’s latest guidance.","source_ids":["sr-9a4644e1abcc47c4a1ad1c1d6107dade"],"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-9a4644e1abcc47c4a1ad1c1d6107dade","url":"https://github.com/advisories/GHSA-3v43-877x-qgmq","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-3v43-877x-qgmq","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.660Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-9a4644e1abcc47c4a1ad1c1d6107dade"],"technology":"league/commonmark","known_exclusions":[],"conditions_summary":"## CVE-2019-10010\n\n### Impact\n\nIn `league/commonmark` 0.18.2 and below, malicious users can insert double-encoded HTML entities into their Markdown like this:\n\n```md\nXSS\n```\n\nThis library would (correctly) unescape the `&` entity to `&` during the parsing step.  However, **the renderer step would fail to properly re-escape the resulting `:` string**, thus producing the following malicious HTML output:\n\n```html\nXSS\n```\n\nBrowsers would interpret `:` as a `:` character and allow the JS to be executed when the link is clicked.\n\nThis vulnerability was present in the upstream library this project was forked from and therefore exists in all prior versions of `league/commonmark`.\n\n### Solution\n\nThe new 0.18.3 release mirrors the fix made upstream - we no longer attempt to preserve entities when rendering HTML attributes like `href`, `src`, `title`, etc.\n\nThe `$preserveEntities` parameter of `Xml::escape()` is theref","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 0.18.3"]}],"null_published_at":"2026-10-31T22:13:05.836Z","source_updated_at":"2024-02-16T08:15:08.451Z","source_disclosed_at":"2019-09-17T22:47:47.000Z","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":"2026-10-31T21:41:49.660Z"}],"next_cursor":null,"snapshot_revision":"42594"}