CVE-2020-7741

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{"affected": [{"affectedData": [{"product": "hellojs", "vendor": "n/a", "versions": [{"lessThan": "1.18.6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "report@snyk.io"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:hello.js_project:hello.js:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "9043A647-DD3A-4F5A-92C0-5E2A559BE3EA", "versionEndExcluding": "1.18.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "This affects the package hellojs before 1.18.6. The code get the param oauth_redirect from url and pass it to location.assign without any check and sanitisation. So we can simply pass some XSS payloads into the url param oauth_redirect, such as javascript:alert(1)."}, {"lang": "es", "value": "Esto afecta al paquete hellojs versiones anteriores a 1.18.6.&#xa0;El c\u00f3digo obtiene el par\u00e1metro oauth_redirect de la URL y lo pasa a location.assign sin ninguna comprobaci\u00f3n ni saneamiento.&#xa0;Entonces, simplemente podemos pasar algunas cargas \u00fatiles de tipo XSS al par\u00e1metro de URL oauth_redirect, tal y como javascript:alert(1)"}], "id": "CVE-2020-7741", "lastModified": "2026-06-17T03:25:21.750", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.3, "source": "report@snyk.io", "type": "Secondary"}]}, "published": "2020-10-06T15:15:15.757", "references": [{"source": "report@snyk.io", "tags": ["Broken Link"], "url": "https://github.com/MrSwitch/hello.js/blob/3b79ec93781b3d7b9c0b56f598e060301d1f3e73/dist/hello.all.js%23L1545"}, {"source": "report@snyk.io", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/MrSwitch/hello.js/commit/d6f5137f30de6e0ef7048191ee6ae575fdc2f669"}, {"source": "report@snyk.io", "tags": ["Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-JS-HELLOJS-1014546"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://github.com/MrSwitch/hello.js/blob/3b79ec93781b3d7b9c0b56f598e060301d1f3e73/dist/hello.all.js%23L1545"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/MrSwitch/hello.js/commit/d6f5137f30de6e0ef7048191ee6ae575fdc2f669"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-JS-HELLOJS-1014546"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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