{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46725",
        "assignerOrgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
        "state": "PUBLISHED",
        "assignerShortName": "TYPO3",
        "dateReserved": "2026-05-16T09:55:27.478Z",
        "datePublished": "2026-05-19T09:25:33.489Z",
        "dateUpdated": "2026-05-19T13:29:29.556Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
                "shortName": "TYPO3",
                "dateUpdated": "2026-05-19T09:25:33.489Z"
            },
            "title": "Remote Code Execution in extension \"Content Element Selector\" (ceselector)",
            "datePublic": "2026-05-19T09:00:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-502",
                            "description": "CWE-502 Deserialization of Untrusted Data",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "TYPO3",
                    "product": "Extension \"Content Element Selector\"",
                    "collectionURL": "https://packagist.org/",
                    "packageName": "mmc/ceselector",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "6.0.0",
                            "lessThan": "6.0.1",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "5.0.0",
                            "lessThan": "5.0.1",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "4.0.0",
                            "lessThan": "4.0.2",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "3.0.3",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "The extension passes an attacker-controlled cookie directly to PHP's unserialize() without safely processing the input. A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server. Exploitation requires the content element to be configured with \"Persistent Mode: Static\" in the plugin settings.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "The extension passes an attacker-controlled cookie directly to PHP's <code>unserialize()</code> without safely processing the input. A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server. Exploitation requires the content element to be configured with \"Persistent Mode: Static\" in the plugin settings."
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://typo3.org/security/advisory/typo3-ext-sa-2026-013",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "CRITICAL",
                        "baseScore": 9.2,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Torben Hansen",
                    "type": "reporter"
                },
                {
                    "lang": "en",
                    "value": "Matthias Mächler",
                    "type": "remediation developer"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "Vulnogram 1.0.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-05-19T13:28:39.738439Z",
                                "id": "CVE-2026-46725",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-05-19T13:29:29.556Z"
                }
            }
        ]
    }
}