{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2021-32808",
        "STATE": "PUBLIC",
        "TITLE": "Cross-site scripting in ckeditor via abuse of undo functionality"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "ckeditor4",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": ">= 4.13.0, < 4.16.2"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "ckeditor"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "ckeditor is an open source WYSIWYG HTML editor with rich content support. A vulnerability has been discovered in the clipboard Widget plugin if used alongside the undo feature. The vulnerability allows a user to abuse undo functionality using malformed widget HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at version >= 4.13.0. The problem has been recognized and patched. The fix will be available in version 4.16.2."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6c",
                "refsource": "CONFIRM",
                "url": "https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6c"
            },
            {
                "name": "https://github.com/ckeditor/ckeditor4/releases/tag/4.16.2",
                "refsource": "MISC",
                "url": "https://github.com/ckeditor/ckeditor4/releases/tag/4.16.2"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-51457da891",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-72176a63a8",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-87578dca12",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpuoct2021.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpuoct2021.html"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpujan2022.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpujan2022.html"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-6226-h7ff-ch6c",
        "discovery": "UNKNOWN"
    }
}