{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-116675",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-10-26T20:00:59.829Z",
        "datePublished": "2026-10-27T16:47:01.183Z",
        "dateUpdated": "2026-10-28T16:15:12.999Z"
    },
    "containers": {
        "cna": {
            "title": "TinyMCE Cross-Site Scripting (XSS) vulnerability using media plugin `data-mce-object` serialization",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-79",
                            "lang": "en",
                            "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "LOW",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 8.5,
                        "baseSeverity": "HIGH",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/tinymce/tinymce/security/advisories/GHSA-mf2p-h6hf-fcwm",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/tinymce/tinymce/security/advisories/GHSA-mf2p-h6hf-fcwm"
                },
                {
                    "name": "https://github.com/tinymce/tinymce/commit/bd1ab5ef024c648c3f9c0b409e54a6c227c7d8a2",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/tinymce/tinymce/commit/bd1ab5ef024c648c3f9c0b409e54a6c227c7d8a2"
                },
                {
                    "name": "https://github.com/tinymce/tinymce/releases/tag/8.9.3",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/tinymce/tinymce/releases/tag/8.9.3"
                },
                {
                    "name": "https://www.tiny.cloud/docs/tinymce/7/7.9.4-release-notes/#overview",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://www.tiny.cloud/docs/tinymce/7/7.9.4-release-notes/#overview"
                },
                {
                    "name": "https://www.tiny.cloud/docs/tinymce/latest/8.9.3-release-notes/#overview",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://www.tiny.cloud/docs/tinymce/latest/8.9.3-release-notes/#overview"
                }
            ],
            "affected": [
                {
                    "vendor": "tinymce",
                    "product": "tinymce",
                    "versions": [
                        {
                            "version": ">= 8.5.1, < 8.9.3",
                            "status": "affected"
                        },
                        {
                            "version": ">= 7.9.3, < 7.9.4",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-10-27T16:47:01.183Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "TinyMCE is an open source rich text editor. From 7.9.3 until 7.9.4 and from 8.5.1 until 8.9.3, the media plugin creates elements crafted through data-mce-object in the active document before sanitization. Those elements can execute malicious scripts during processing, resulting in stored cross-site scripting for users with the media plugin enabled. This issue is fixed in versions 8.9.3 and 7.9.4."
                }
            ],
            "source": {
                "advisory": "GHSA-mf2p-h6hf-fcwm",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-10-28T14:58:13.313387Z",
                                "id": "CVE-2026-116675",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-10-28T16:15:12.999Z"
                }
            }
        ]
    }
}