{
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "NodeBB",
                    "vendor": "NodeBB",
                    "versions": [
                        {
                            "status": "affected",
                            "version": ">= 1.15.5, < 1.18.5"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Nodebb is an open source Node.js based forum software. In affected versions a prototype pollution vulnerability in the uploader module allowed a malicious user to inject arbitrary data (i.e. javascript) into the DOM, theoretically allowing for an account takeover when used in conjunction with a path traversal vulnerability disclosed at the same time as this report. The vulnerability has been patched as of v1.18.5. Users are advised to upgrade as soon as possible."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 9,
                        "baseSeverity": "CRITICAL",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "CHANGED",
                        "userInteraction": "REQUIRED",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
                        "version": "3.1"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-79",
                            "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-1321",
                            "description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "dateUpdated": "2022-09-13T18:00:35.000Z",
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M"
            },
            "references": [
                {
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fc"
                },
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4c"
                },
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5"
                },
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/"
                }
            ],
            "source": {
                "advisory": "GHSA-wx69-rvg3-x7fc",
                "discovery": "UNKNOWN"
            },
            "title": "XSS via prototype pollution",
            "x_legacyV4Record": {
                "CVE_data_meta": {
                    "ASSIGNER": "security-advisories@github.com",
                    "ID": "CVE-2021-43787",
                    "STATE": "PUBLIC",
                    "TITLE": "XSS via prototype pollution"
                },
                "affects": {
                    "vendor": {
                        "vendor_data": [
                            {
                                "product": {
                                    "product_data": [
                                        {
                                            "product_name": "NodeBB",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "version_value": ">= 1.15.5, < 1.18.5"
                                                    }
                                                ]
                                            }
                                        }
                                    ]
                                },
                                "vendor_name": "NodeBB"
                            }
                        ]
                    }
                },
                "data_format": "MITRE",
                "data_type": "CVE",
                "data_version": "4.0",
                "description": {
                    "description_data": [
                        {
                            "lang": "eng",
                            "value": "Nodebb is an open source Node.js based forum software. In affected versions a prototype pollution vulnerability in the uploader module allowed a malicious user to inject arbitrary data (i.e. javascript) into the DOM, theoretically allowing for an account takeover when used in conjunction with a path traversal vulnerability disclosed at the same time as this report. The vulnerability has been patched as of v1.18.5. Users are advised to upgrade as soon as possible."
                        }
                    ]
                },
                "impact": {
                    "cvss": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 9,
                        "baseSeverity": "CRITICAL",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "CHANGED",
                        "userInteraction": "REQUIRED",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
                        "version": "3.1"
                    }
                },
                "problemtype": {
                    "problemtype_data": [
                        {
                            "description": [
                                {
                                    "lang": "eng",
                                    "value": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
                                }
                            ]
                        },
                        {
                            "description": [
                                {
                                    "lang": "eng",
                                    "value": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')"
                                }
                            ]
                        }
                    ]
                },
                "references": {
                    "reference_data": [
                        {
                            "name": "https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fc",
                            "refsource": "CONFIRM",
                            "url": "https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fc"
                        },
                        {
                            "name": "https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4c",
                            "refsource": "MISC",
                            "url": "https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4c"
                        },
                        {
                            "name": "https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5",
                            "refsource": "MISC",
                            "url": "https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5"
                        },
                        {
                            "name": "https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/",
                            "refsource": "MISC",
                            "url": "https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/"
                        }
                    ]
                },
                "source": {
                    "advisory": "GHSA-wx69-rvg3-x7fc",
                    "discovery": "UNKNOWN"
                }
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T04:03:08.858Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fc"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4c"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2021-43787",
        "datePublished": "2021-11-29T19:30:11.000Z",
        "dateReserved": "2021-11-16T00:00:00.000Z",
        "dateUpdated": "2024-08-04T04:03:08.858Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}