{"items":[{"id":"NVI-00016195","kind":"vulnerability","title":"Fabric.js improper escaping in fabric.Gradient colorStops leads to XSS in SVG serialization","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-w22m-hvvm-xmwx","CVE-2026-44311"],"plain_summary":"GitHub lists this reviewed advisory for fabric. 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-03746754d4925796bf29be0e2a79fc33"],"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":"2026-07-18T17:26:22.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-43a0f7b81d3559a60e88876e55752582"},{"kind":"CVSS","as_of":"2026-10-25T23:10:00.167Z","value":"5.4 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-21cb5eb109add64c4e1f9e0ec7d22fd2"},{"kind":"CVSS","as_of":"2026-10-25T23:10:00.167Z","value":"6.1 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-21cb5eb109add64c4e1f9e0ec7d22fd2"},{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.271%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.19606. Missing scores are unknown.","source_id":"sr-03746754d4925796bf29be0e2a79fc33"}],"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-43a0f7b81d3559a60e88876e55752582","url":"https://github.com/advisories/GHSA-w22m-hvvm-xmwx","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-w22m-hvvm-xmwx","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T02:49:06.528Z"},{"id":"sr-21cb5eb109add64c4e1f9e0ec7d22fd2","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44311","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-44311","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T01:45:47.446Z"},{"id":"sr-03746754d4925796bf29be0e2a79fc33","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-2026-44311","publisher":"FIRST EPSS","observed_at":"2026-11-06T00:24:57.657Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-43a0f7b81d3559a60e88876e55752582"],"technology":"fabric","known_exclusions":[],"conditions_summary":"### Summary\n\nA potential Cross-Site Scripting (XSS) vulnerability exists in Fabric.js due to improper escaping of user-controlled input during SVG serialization via the `toSVG()` method.\n\nSpecifically, the `color` field within the `colorStops` array of a `fabric.Gradient` object is not properly escaped when converted into SVG `` elements. If an application renders the generated SVG string into the DOM (e.g., via `innerHTML`), this may allow an attacker to inject arbitrary HTML/SVG and execute JavaScript in the victim's browser.\n\n### Details\n\nDuring SVG export, Fabric.js serializes gradient color stops into `` elements like:\n\n```xml\n\n```\n\nHowever, the `color` value is inserted into the `stop-color` attribute without proper escaping of special characters such as `\"`, ``. This allows crafted input to break out of the attribute context and inject arbitrary markup.\n\nFor example:\n```js\ncolor: 'red\">'\n```\n\nmay result in:\n```xml\n\n\n```\nThis breaks the intended SVG structure and introduces executable HTML.\n\n### PoC (Proof of Concept)","public_affected_ranges":["< 7.4.0"]}],"null_published_at":"2026-11-08T19:53:44.038Z","source_updated_at":"2026-07-18T17:26:22.000Z","source_disclosed_at":"2026-06-12T21:00:32.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-04T02:49:06.528Z"},{"id":"NVI-00016195","kind":"vulnerability","title":"Fabric.js improper escaping in fabric.Gradient colorStops leads to XSS in SVG serialization","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-w22m-hvvm-xmwx","CVE-2026-44311"],"plain_summary":"GitHub lists this reviewed advisory for fabric. 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-03746754d4925796bf29be0e2a79fc33"],"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":"2026-07-18T17:26:22.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-43a0f7b81d3559a60e88876e55752582"},{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.271%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.19606. Missing scores are unknown.","source_id":"sr-03746754d4925796bf29be0e2a79fc33"}],"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-43a0f7b81d3559a60e88876e55752582","url":"https://github.com/advisories/GHSA-w22m-hvvm-xmwx","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-w22m-hvvm-xmwx","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T02:49:06.528Z"},{"id":"sr-03746754d4925796bf29be0e2a79fc33","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-2026-44311","publisher":"FIRST EPSS","observed_at":"2026-11-06T00:24:57.657Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-43a0f7b81d3559a60e88876e55752582"],"technology":"fabric","known_exclusions":[],"conditions_summary":"### Summary\n\nA potential Cross-Site Scripting (XSS) vulnerability exists in Fabric.js due to improper escaping of user-controlled input during SVG serialization via the `toSVG()` method.\n\nSpecifically, the `color` field within the `colorStops` array of a `fabric.Gradient` object is not properly escaped when converted into SVG `` elements. If an application renders the generated SVG string into the DOM (e.g., via `innerHTML`), this may allow an attacker to inject arbitrary HTML/SVG and execute JavaScript in the victim's browser.\n\n### Details\n\nDuring SVG export, Fabric.js serializes gradient color stops into `` elements like:\n\n```xml\n\n```\n\nHowever, the `color` value is inserted into the `stop-color` attribute without proper escaping of special characters such as `\"`, ``. This allows crafted input to break out of the attribute context and inject arbitrary markup.\n\nFor example:\n```js\ncolor: 'red\">'\n```\n\nmay result in:\n```xml\n\n\n```\nThis breaks the intended SVG structure and introduces executable HTML.\n\n### PoC (Proof of Concept)","public_affected_ranges":["< 7.4.0"]}],"null_published_at":"2026-11-07T07:07:42.543Z","source_updated_at":"2026-07-18T17:26:22.000Z","source_disclosed_at":"2026-06-12T21:00:32.000Z","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":"2026-11-04T02:49:06.528Z"},{"id":"NVI-00016195","kind":"vulnerability","title":"Fabric.js improper escaping in fabric.Gradient colorStops leads to XSS in SVG serialization","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-w22m-hvvm-xmwx","CVE-2026-44311"],"plain_summary":"GitHub lists this reviewed advisory for fabric. 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-43a0f7b81d3559a60e88876e55752582"],"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":"2026-07-18T17:26:22.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-43a0f7b81d3559a60e88876e55752582"}],"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-43a0f7b81d3559a60e88876e55752582","url":"https://github.com/advisories/GHSA-w22m-hvvm-xmwx","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-w22m-hvvm-xmwx","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T02:49:06.528Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-43a0f7b81d3559a60e88876e55752582"],"technology":"fabric","known_exclusions":[],"conditions_summary":"### Summary\n\nA potential Cross-Site Scripting (XSS) vulnerability exists in Fabric.js due to improper escaping of user-controlled input during SVG serialization via the `toSVG()` method.\n\nSpecifically, the `color` field within the `colorStops` array of a `fabric.Gradient` object is not properly escaped when converted into SVG `` elements. If an application renders the generated SVG string into the DOM (e.g., via `innerHTML`), this may allow an attacker to inject arbitrary HTML/SVG and execute JavaScript in the victim's browser.\n\n### Details\n\nDuring SVG export, Fabric.js serializes gradient color stops into `` elements like:\n\n```xml\n\n```\n\nHowever, the `color` value is inserted into the `stop-color` attribute without proper escaping of special characters such as `\"`, ``. This allows crafted input to break out of the attribute context and inject arbitrary markup.\n\nFor example:\n```js\ncolor: 'red\">'\n```\n\nmay result in:\n```xml\n\n\n```\nThis breaks the intended SVG structure and introduces executable HTML.\n\n### PoC (Proof of Concept)","public_affected_ranges":["< 7.4.0"]}],"null_published_at":"2026-11-04T10:04:27.904Z","source_updated_at":"2026-07-18T17:26:22.000Z","source_disclosed_at":"2026-06-12T21:00:32.000Z","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":"2026-11-04T02:49:06.528Z"}],"next_cursor":null,"snapshot_revision":"42594"}