cvelist/2021/29xxx/CVE-2021-29438.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2021-29438",
        "STATE": "PUBLIC",
        "TITLE": "Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in @nextcloud/dialogs"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "nextcloud-dialogs",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "< 3.1.2"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "nextcloud"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The Nextcloud dialogs library (npm package @nextcloud/dialogs) before 3.1.2 insufficiently escaped text input passed to a toast. If your application displays toasts with user-supplied input, this could lead to a XSS vulnerability. The vulnerability has been patched in version 3.1.2 If you need to display HTML in the toast, explicitly pass the `options.isHTML` config flag."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/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')\"}"
                    }
                ]
            },
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "{\"CWE-80\":\"Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)\"}"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/nextcloud/nextcloud-dialogs/security/advisories/GHSA-g3fq-3v3g-mh32",
                "refsource": "CONFIRM",
                "url": "https://github.com/nextcloud/nextcloud-dialogs/security/advisories/GHSA-g3fq-3v3g-mh32"
            },
            {
                "name": "https://www.npmjs.com/package/@nextcloud/dialogs",
                "refsource": "MISC",
                "url": "https://www.npmjs.com/package/@nextcloud/dialogs"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-g3fq-3v3g-mh32",
        "discovery": "UNKNOWN"
    }
}