{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2021-21260",
        "STATE": "PUBLIC",
        "TITLE": "XSS in description field"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "online-invoicing-system",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "= 4.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "bigprof-software"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Online Invoicing System (OIS) is open source software which is a lean invoicing system for small businesses, consultants and freelancers created using AppGini. In OIS version 4.0 there is a stored XSS which can enables an attacker takeover of the admin account through a payload that extracts a csrf token and sends a request to change password. It has been found that Item description is reflected without sanitization in app/items_view.php which enables the malicious scenario."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-79 Cross-site Scripting (XSS)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/bigprof-software/online-invoicing-system/security/advisories/GHSA-rm79-5596-r7q4",
                "refsource": "CONFIRM",
                "url": "https://github.com/bigprof-software/online-invoicing-system/security/advisories/GHSA-rm79-5596-r7q4"
            },
            {
                "name": "https://github.com/bigprof-software/online-invoicing-system/releases/tag/4.2",
                "refsource": "MISC",
                "url": "https://github.com/bigprof-software/online-invoicing-system/releases/tag/4.2"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-rm79-5596-r7q4",
        "discovery": "UNKNOWN"
    }
}