{
    "containers": {
        "cna": {
            "title": "Remote code execution in pug",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-74",
                            "lang": "en",
                            "description": "CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 6.8,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "CHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/pugjs/pug/security/advisories/GHSA-p493-635q-r6gr",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/pugjs/pug/security/advisories/GHSA-p493-635q-r6gr"
                },
                {
                    "name": "https://github.com/pugjs/pug/issues/3312",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/pugjs/pug/issues/3312"
                },
                {
                    "name": "https://github.com/pugjs/pug/pull/3314",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/pugjs/pug/pull/3314"
                },
                {
                    "name": "https://github.com/pugjs/pug/commit/991e78f7c4220b2f8da042877c6f0ef5a4683be0",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/pugjs/pug/commit/991e78f7c4220b2f8da042877c6f0ef5a4683be0"
                },
                {
                    "name": "https://github.com/pugjs/pug/releases/tag/pug%403.0.1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/pugjs/pug/releases/tag/pug%403.0.1"
                },
                {
                    "name": "https://www.npmjs.com/package/pug",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://www.npmjs.com/package/pug"
                },
                {
                    "name": "https://www.npmjs.com/package/pug-code-gen",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://www.npmjs.com/package/pug-code-gen"
                }
            ],
            "affected": [
                {
                    "vendor": "pugjs",
                    "product": "pug",
                    "versions": [
                        {
                            "version": "< 3.0.1",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2025-04-16T22:10:03.957Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Pug is an npm package which is a high-performance template engine.  In pug before version 3.0.1, if a remote attacker was able to control the `pretty` option of the pug compiler, e.g. if you spread a user provided object such as the query parameters of a request into the pug template inputs, it was possible for them to achieve remote code execution on the node.js backend. This is fixed in version 3.0.1.  This advisory applies to multiple pug packages including \"pug\", \"pug-code-gen\".  pug-code-gen has a backported fix at version 2.0.3. This advisory is not exploitable if there is no way for un-trusted input to be passed to pug as the `pretty` option, e.g. if you compile templates in advance before applying user input to them, you do not need to upgrade."
                }
            ],
            "source": {
                "advisory": "GHSA-p493-635q-r6gr",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T18:09:15.912Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "https://github.com/pugjs/pug/security/advisories/GHSA-p493-635q-r6gr"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://github.com/pugjs/pug/issues/3312"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://github.com/pugjs/pug/pull/3314"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://github.com/pugjs/pug/commit/991e78f7c4220b2f8da042877c6f0ef5a4683be0"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://github.com/pugjs/pug/releases/tag/pug%403.0.1"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://www.npmjs.com/package/pug"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://www.npmjs.com/package/pug-code-gen"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2021-21353",
        "datePublished": "2021-03-03T01:50:18.000Z",
        "dateReserved": "2020-12-22T00:00:00.000Z",
        "dateUpdated": "2025-04-16T22:10:03.957Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}