{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2022-21649",
        "STATE": "PUBLIC",
        "TITLE": "Stored XSS via attribute in convos"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "convos",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": ">= 6.49, < 6.52"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "convos-chat"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Convos is an open source multi-user chat that runs in a web browser. Characters starting with \"https://\" in the chat window create an <a> tag. Stored XSS vulnerability using onfocus and autofocus occurs because escaping exists for \"<\" or \">\" but escaping for double quotes does not exist. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible."
            }
        ]
    },
    "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://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability",
                "refsource": "MISC",
                "url": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability"
            },
            {
                "name": "https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c",
                "refsource": "MISC",
                "url": "https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c"
            },
            {
                "name": "https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/",
                "refsource": "MISC",
                "url": "https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/"
            },
            {
                "name": "https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7",
                "refsource": "CONFIRM",
                "url": "https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-xmpj-xwm3-vww7",
        "discovery": "UNKNOWN"
    }
}