{"items":[{"id":"NVI-00011945","kind":"vulnerability","title":"Handlebars: JavaScript Injection via Unsafe Inline Embedding of Precompiled Templates","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-xw65-4hp5-5hc7","CVE-2026-106444"],"plain_summary":"GitHub lists this reviewed advisory for handlebars. 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-bc4f7dec5d4cfaa3fd9f718bf9d29730"],"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":"2026-10-08T17:52:39.000Z","value":"4.7 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-685bd4a23cebb5fda81f91f2cf5416e7"},{"kind":"CVSS","as_of":"2026-10-07T13:58:29.527Z","value":"4.7 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-4cf4f3d615506e3c306405e968be1c95"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.290%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.21631. Missing scores are unknown.","source_id":"sr-bc4f7dec5d4cfaa3fd9f718bf9d29730"}],"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-685bd4a23cebb5fda81f91f2cf5416e7","url":"https://github.com/advisories/GHSA-xw65-4hp5-5hc7","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-xw65-4hp5-5hc7","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:23.763Z"},{"id":"sr-4cf4f3d615506e3c306405e968be1c95","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106444","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-106444","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:21.903Z"},{"id":"sr-bc4f7dec5d4cfaa3fd9f718bf9d29730","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-2026-106444","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.064Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-685bd4a23cebb5fda81f91f2cf5416e7"],"technology":"handlebars","known_exclusions":[],"conditions_summary":"## Summary\n\n`Handlebars.precompile()` generates JavaScript source that is commonly embedded in browser `` elements. Before the fix, static template text containing `` was emitted unchanged. HTML parsers recognize `` even inside a JavaScript string literal, closing the surrounding script element and allowing following attacker-controlled markup to be parsed and executed.\n\nThis affects applications that precompile attacker-controlled templates and embed the generated source directly in an HTML `` element. It does not affect ordinary server-side rendering or precompiled templates delivered as external JavaScript files.\n\n## Details\n\nStatic text is serialized by `quotedString()` in `lib/handlebars/compiler/code-gen.js`. The generated JavaScript is valid, but JavaScript quoting alone does not make it safe to embed in HTML. In HTML script data, the sequence `` terminates the element regardless of JavaScript string context.\n\nOn affected releases, this template:\n\n```handlebars\nsafealert(\"XSS\")\n```\n\ncould produce generated source containing:\n\n```js\nreturn 'safealert(\"XSS\")';\n```\n\nWh","public_affected_ranges":[">= 4.0.0, <= 4.7.9"]}],"null_published_at":"2026-11-08T08:10:32.018Z","source_updated_at":"2026-10-08T17:52:39.000Z","source_disclosed_at":"2026-10-08T17:52:37.000Z","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":"2026-11-01T00:58:23.763Z"},{"id":"NVI-00011945","kind":"vulnerability","title":"Handlebars: JavaScript Injection via Unsafe Inline Embedding of Precompiled Templates","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-xw65-4hp5-5hc7","CVE-2026-106444"],"plain_summary":"GitHub lists this reviewed advisory for handlebars. 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-4cf4f3d615506e3c306405e968be1c95"],"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":"2026-10-08T17:52:39.000Z","value":"4.7 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-685bd4a23cebb5fda81f91f2cf5416e7"},{"kind":"CVSS","as_of":"2026-10-07T13:58:29.527Z","value":"4.7 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-4cf4f3d615506e3c306405e968be1c95"}],"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-685bd4a23cebb5fda81f91f2cf5416e7","url":"https://github.com/advisories/GHSA-xw65-4hp5-5hc7","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-xw65-4hp5-5hc7","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:23.763Z"},{"id":"sr-4cf4f3d615506e3c306405e968be1c95","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106444","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-106444","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:21.903Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-685bd4a23cebb5fda81f91f2cf5416e7"],"technology":"handlebars","known_exclusions":[],"conditions_summary":"## Summary\n\n`Handlebars.precompile()` generates JavaScript source that is commonly embedded in browser `` elements. Before the fix, static template text containing `` was emitted unchanged. HTML parsers recognize `` even inside a JavaScript string literal, closing the surrounding script element and allowing following attacker-controlled markup to be parsed and executed.\n\nThis affects applications that precompile attacker-controlled templates and embed the generated source directly in an HTML `` element. It does not affect ordinary server-side rendering or precompiled templates delivered as external JavaScript files.\n\n## Details\n\nStatic text is serialized by `quotedString()` in `lib/handlebars/compiler/code-gen.js`. The generated JavaScript is valid, but JavaScript quoting alone does not make it safe to embed in HTML. In HTML script data, the sequence `` terminates the element regardless of JavaScript string context.\n\nOn affected releases, this template:\n\n```handlebars\nsafealert(\"XSS\")\n```\n\ncould produce generated source containing:\n\n```js\nreturn 'safealert(\"XSS\")';\n```\n\nWh","public_affected_ranges":[">= 4.0.0, <= 4.7.9"]}],"null_published_at":"2026-11-05T19:10:23.254Z","source_updated_at":"2026-10-08T17:52:39.000Z","source_disclosed_at":"2026-10-08T17:52:37.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:58:23.763Z"},{"id":"NVI-00011945","kind":"vulnerability","title":"Handlebars: JavaScript Injection via Unsafe Inline Embedding of Precompiled Templates","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-xw65-4hp5-5hc7","CVE-2026-106444"],"plain_summary":"GitHub lists this reviewed advisory for handlebars. 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-685bd4a23cebb5fda81f91f2cf5416e7"],"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":"2026-10-08T17:52:39.000Z","value":"4.7 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-685bd4a23cebb5fda81f91f2cf5416e7"}],"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-685bd4a23cebb5fda81f91f2cf5416e7","url":"https://github.com/advisories/GHSA-xw65-4hp5-5hc7","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-xw65-4hp5-5hc7","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:23.763Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-685bd4a23cebb5fda81f91f2cf5416e7"],"technology":"handlebars","known_exclusions":[],"conditions_summary":"## Summary\n\n`Handlebars.precompile()` generates JavaScript source that is commonly embedded in browser `` elements. Before the fix, static template text containing `` was emitted unchanged. HTML parsers recognize `` even inside a JavaScript string literal, closing the surrounding script element and allowing following attacker-controlled markup to be parsed and executed.\n\nThis affects applications that precompile attacker-controlled templates and embed the generated source directly in an HTML `` element. It does not affect ordinary server-side rendering or precompiled templates delivered as external JavaScript files.\n\n## Details\n\nStatic text is serialized by `quotedString()` in `lib/handlebars/compiler/code-gen.js`. The generated JavaScript is valid, but JavaScript quoting alone does not make it safe to embed in HTML. In HTML script data, the sequence `` terminates the element regardless of JavaScript string context.\n\nOn affected releases, this template:\n\n```handlebars\nsafealert(\"XSS\")\n```\n\ncould produce generated source containing:\n\n```js\nreturn 'safealert(\"XSS\")';\n```\n\nWh","public_affected_ranges":[">= 4.0.0, <= 4.7.9"]}],"null_published_at":"2026-11-01T01:03:56.617Z","source_updated_at":"2026-10-08T17:52:39.000Z","source_disclosed_at":"2026-10-08T17:52:37.000Z","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":"2026-11-01T00:58:23.763Z"}],"next_cursor":null,"snapshot_revision":"42594"}