{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2023-23921",
        "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
        "assignerShortName": "fedora",
        "dateUpdated": "2024-08-02T10:42:27.105Z",
        "dateReserved": "2023-01-19T00:00:00",
        "datePublished": "2023-02-17T00:00:00"
    },
    "containers": {
        "cna": {
            "title": "Moodle: reflected xss risk in some returnurl parameters",
            "metrics": [
                {
                    "other": {
                        "content": {
                            "value": "Important",
                            "namespace": "https://access.redhat.com/security/updates/classification/"
                        },
                        "type": "Red Hat severity rating"
                    }
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "The vulnerability was found Moodle which exists due to insufficient sanitization of user-supplied data in some returnurl parameters. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website. This flaw allows a remote attacker to perform cross-site scripting (XSS) attacks."
                }
            ],
            "affected": [
                {
                    "versions": [
                        {
                            "status": "affected",
                            "version": "4.1.0",
                            "lessThan": "4.1.1",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "4.0.0",
                            "lessThan": "4.0.6",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "3.11.0",
                            "lessThan": "3.11.12",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "3.9.19",
                            "versionType": "semver"
                        }
                    ],
                    "packageName": "moodle",
                    "collectionURL": "https://git.moodle.org",
                    "defaultStatus": "unaffected"
                }
            ],
            "references": [
                {
                    "url": "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76810"
                },
                {
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2162526"
                },
                {
                    "url": "https://moodle.org/mod/forum/discuss.php?d=443272#p1782021"
                }
            ],
            "datePublic": "2023-01-23T04:00:00+00:00",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-79",
                            "description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "x_redhatCweChain": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
            "timeline": [
                {
                    "lang": "en",
                    "time": "2023-01-19T00:00:00+00:00",
                    "value": "Reported to Red Hat."
                },
                {
                    "lang": "en",
                    "time": "2023-01-23T04:00:00+00:00",
                    "value": "Made public."
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Upstream acknowledges DegrangeM as the original reporter."
                }
            ],
            "providerMetadata": {
                "orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
                "shortName": "fedora",
                "dateUpdated": "2024-04-19T13:37:11.024Z"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T10:42:27.105Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76810",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2162526",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://moodle.org/mod/forum/discuss.php?d=443272#p1782021",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}