{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-111059", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-15T12:47:13.664Z", "datePublished": "2026-10-19T16:11:29.745Z", "dateUpdated": "2026-10-19T16:11:29.745Z"}, "containers": {"cna": {"title": "Mercury: Stored / DOM Cross-Site Scripting (XSS): mr.Markdown renders untrusted content as raw, unsanitized HTML", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-116", "lang": "en", "description": "CWE-116: Improper Encoding or Escaping of Output", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/mljar/mercury/security/advisories/GHSA-2658-85cv-9wwq", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/mljar/mercury/security/advisories/GHSA-2658-85cv-9wwq"}, {"name": "https://github.com/mljar/mercury/commit/c798a85924e6614c6fea7afe5a560e4554a1d09b", "tags": ["x_refsource_MISC"], "url": "https://github.com/mljar/mercury/commit/c798a85924e6614c6fea7afe5a560e4554a1d09b"}, {"name": "https://github.com/mljar/mercury/releases/tag/v3.2.11", "tags": ["x_refsource_MISC"], "url": "https://github.com/mljar/mercury/releases/tag/v3.2.11"}], "affected": [{"vendor": "mljar", "product": "mercury", "versions": [{"version": ">= 3.0.0, < 3.2.11", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-19T16:11:29.745Z"}, "descriptions": [{"lang": "en", "value": "Mercury is a Python framework for sharing Jupyter notebooks as web applications and dashboards. From 3.0.0 until 3.2.11, mr.Markdown converts attacker-controlled Markdown to HTML without sanitizing raw HTML before assigning it to an ipywidgets.HTML sink. Event-handler attributes and other active HTML can therefore reach the DOM and execute when another user views the application. This issue is fixed in version 3.2.11."}], "source": {"advisory": "GHSA-2658-85cv-9wwq", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "mercury", "vendor": "mljar", "versions": [{"status": "affected", "version": ">= 3.0.0, < 3.2.11"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Mercury is a Python framework for sharing Jupyter notebooks as web applications and dashboards. From 3.0.0 until 3.2.11, mr.Markdown converts attacker-controlled Markdown to HTML without sanitizing raw HTML before assigning it to an ipywidgets.HTML sink. Event-handler attributes and other active HTML can therefore reach the DOM and execute when another user views the application. This issue is fixed in version 3.2.11."}], "id": "CVE-2026-111059", "lastModified": "2026-10-19T17:17:02.940", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-19T17:17:02.940", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/mljar/mercury/commit/c798a85924e6614c6fea7afe5a560e4554a1d09b"}, {"source": "security-advisories@github.com", "url": "https://github.com/mljar/mercury/releases/tag/v3.2.11"}, {"source": "security-advisories@github.com", "url": "https://github.com/mljar/mercury/security/advisories/GHSA-2658-85cv-9wwq"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-116"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-10-19T17:30:13.903373+00:00", "updated": "2026-10-19T17:30:13.903378+00:00", "vendors": []}