{"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", "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"}}}}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-43787", "datePublished": "2021-11-29T19:30:11", "dateReserved": "2021-11-16T00:00:00", "dateUpdated": "2022-09-13T18:00:35", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

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