{
    "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": "2026-10-20T16:11:40.067Z"
    },
    "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"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-10-20T15:10:08.190617Z",
                                "id": "CVE-2026-111059",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-10-20T16:11:40.067Z"
                }
            }
        ]
    }
}