CVE-2021-21422

{"containers": {"cna": {"affected": [{"product": "mongo-express", "vendor": "mongo-express", "versions": [{"status": "affected", "version": "< v1.0.0-alpha.4"}]}], "descriptions": [{"lang": "en", "value": "mongo-express is a web-based MongoDB admin interface, written with Node.js and express. 1: As mentioned in this issue: https://github.com/mongo-express/mongo-express/issues/577, when the content of a cell grows larger than supported size, clicking on a row will show full document unescaped, however this needs admin interaction on cell. 2: Data cells identified as media will be rendered as media, without being sanitized. Example of different renders: image, audio, video, etc. As an example of type 1 attack, an unauthorized user who only can send a large amount of data in a field of a document may use a payload with embedded javascript. This could send an export of a collection to the attacker without even an admin knowing. Other types of attacks such as dropping a database\\collection are possible."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "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"}]}], "providerMetadata": {"dateUpdated": "2021-06-21T18:45:12.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/mongo-express/mongo-express/security/advisories/GHSA-7p8h-86p5-wv3p"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/mongo-express/mongo-express/issues/577"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/mongo-express/mongo-express/commit/f5e0d4931f856f032f22664b5e5901d5950cfd4b"}], "source": {"advisory": "GHSA-7p8h-86p5-wv3p", "discovery": "UNKNOWN"}, "title": "XSS Vulnerability in mongo-express", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-21422", "STATE": "PUBLIC", "TITLE": "XSS Vulnerability in mongo-express"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "mongo-express", "version": {"version_data": [{"version_value": "< v1.0.0-alpha.4"}]}}]}, "vendor_name": "mongo-express"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "mongo-express is a web-based MongoDB admin interface, written with Node.js and express. 1: As mentioned in this issue: https://github.com/mongo-express/mongo-express/issues/577, when the content of a cell grows larger than supported size, clicking on a row will show full document unescaped, however this needs admin interaction on cell. 2: Data cells identified as media will be rendered as media, without being sanitized. Example of different renders: image, audio, video, etc. As an example of type 1 attack, an unauthorized user who only can send a large amount of data in a field of a document may use a payload with embedded javascript. This could send an export of a collection to the attacker without even an admin knowing. Other types of attacks such as dropping a database\\collection are possible."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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://github.com/mongo-express/mongo-express/security/advisories/GHSA-7p8h-86p5-wv3p", "refsource": "CONFIRM", "url": "https://github.com/mongo-express/mongo-express/security/advisories/GHSA-7p8h-86p5-wv3p"}, {"name": "https://github.com/mongo-express/mongo-express/issues/577", "refsource": "MISC", "url": "https://github.com/mongo-express/mongo-express/issues/577"}, {"name": "https://github.com/mongo-express/mongo-express/commit/f5e0d4931f856f032f22664b5e5901d5950cfd4b", "refsource": "MISC", "url": "https://github.com/mongo-express/mongo-express/commit/f5e0d4931f856f032f22664b5e5901d5950cfd4b"}]}, "source": {"advisory": "GHSA-7p8h-86p5-wv3p", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:09:16.084Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/mongo-express/mongo-express/security/advisories/GHSA-7p8h-86p5-wv3p"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/mongo-express/mongo-express/issues/577"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/mongo-express/mongo-express/commit/f5e0d4931f856f032f22664b5e5901d5950cfd4b"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-21422", "datePublished": "2021-06-21T18:45:12.000Z", "dateReserved": "2020-12-22T00:00:00.000Z", "dateUpdated": "2024-08-03T18:09:16.084Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "mongo-express", "vendor": "mongo-express", "versions": [{"status": "affected", "version": "< v1.0.0-alpha.4"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mongo-express_project:mongo-express:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "96B2C676-07A1-4C7A-86FA-D88297385A5E", "versionEndIncluding": "0.54.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mongo-express_project:mongo-express:1.0.0:alpha1:*:*:*:*:*:*", "matchCriteriaId": "5D0C8EFC-6C4D-4467-8E90-125A9496B3BB", "vulnerable": true}, {"criteria": "cpe:2.3:a:mongo-express_project:mongo-express:1.0.0:alpha3:*:*:*:*:*:*", "matchCriteriaId": "63E82692-361F-4E81-8126-F15C3D904528", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "mongo-express is a web-based MongoDB admin interface, written with Node.js and express. 1: As mentioned in this issue: https://github.com/mongo-express/mongo-express/issues/577, when the content of a cell grows larger than supported size, clicking on a row will show full document unescaped, however this needs admin interaction on cell. 2: Data cells identified as media will be rendered as media, without being sanitized. Example of different renders: image, audio, video, etc. As an example of type 1 attack, an unauthorized user who only can send a large amount of data in a field of a document may use a payload with embedded javascript. This could send an export of a collection to the attacker without even an admin knowing. Other types of attacks such as dropping a database\\collection are possible."}, {"lang": "es", "value": "mongo-express es una interfaz de administraci\u00f3n de MongoDB basada en la web, escrita con Node.js y express. 1: Como se menciona en este tema: https://github.com/mongo-express/mongo-express/issues/577, cuando el contenido de una celda crece m\u00e1s que el tama\u00f1o soportado, al hacer clic en una fila se mostrar\u00e1 el documento completo sin escapar, sin embargo esto necesita la interacci\u00f3n del administrador en la celda. 2: Las celdas de datos identificadas como medios de comunicaci\u00f3n se renderizar\u00e1n como medios de comunicaci\u00f3n, sin ser saneados. Ejemplo de diferentes renderizados: imagen, audio, video, etc. Como ejemplo de ataque de tipo 1, un usuario no autorizado que s\u00f3lo puede enviar una gran cantidad de datos en un campo de un documento puede utilizar una carga \u00fatil con javascript insertado. Esto podr\u00eda enviar una exportaci\u00f3n de una colecci\u00f3n al atacante sin que ni siquiera un administrador lo sepa. Otros tipos de ataques, como la ca\u00edda de base de datos\\colecci\u00f3n , son posibles"}], "id": "CVE-2021-21422", "lastModified": "2026-06-17T03:35:32.683", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-21T19:15:07.947", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/mongo-express/mongo-express/commit/f5e0d4931f856f032f22664b5e5901d5950cfd4b"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/mongo-express/mongo-express/issues/577"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/mongo-express/mongo-express/security/advisories/GHSA-7p8h-86p5-wv3p"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/mongo-express/mongo-express/commit/f5e0d4931f856f032f22664b5e5901d5950cfd4b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/mongo-express/mongo-express/issues/577"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/mongo-express/mongo-express/security/advisories/GHSA-7p8h-86p5-wv3p"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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