cvelist/2021/21xxx/CVE-2021-21610.json

{
    "CVE_data_meta": {
        "ID": "CVE-2021-21610",
        "ASSIGNER": "jenkinsci-cert@googlegroups.com"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Jenkins project",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Jenkins",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "2.274",
                                            "version_affected": "<="
                                        },
                                        {
                                            "version_value": "LTS 2.263.1",
                                            "version_affected": "<="
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not implement any restrictions for the URL rendering a formatted preview of markup passed as a query parameter, resulting in a reflected cross-site scripting (XSS) vulnerability if the configured markup formatter does not prohibit unsafe elements (JavaScript) in markup."
            }
        ]
    },
    "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://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2153",
                "url": "https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2153",
                "refsource": "CONFIRM"
            }
        ]
    }
}