CVE-2020-15179

{"id": "CVE-2020-15179", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "NETWORK", "vectorString": "AV:N/AC:H/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "HIGH", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.0, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.3}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.3}]}, "published": "2020-09-15T18:15:14.000", "references": [{"url": "https://github.com/InternationalScratchWiki/wiki-scratchsig/commit/4160a39a20eebeb63a59eb7597a91b961eca6388", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/InternationalScratchWiki/wiki-scratchsig/security/advisories/GHSA-gp9v-pg9f-vmp6", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/InternationalScratchWiki/wiki-scratchsig/commit/4160a39a20eebeb63a59eb7597a91b961eca6388", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/InternationalScratchWiki/wiki-scratchsig/security/advisories/GHSA-gp9v-pg9f-vmp6", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "The ScratchSig extension for MediaWiki before version 1.0.1 allows stored Cross-Site Scripting. Using <script> tag inside <scratchsig> tag, attackers with edit permission can execute scripts on visitors' browser. With MediaWiki JavaScript API, this can potentially lead to privilege escalation and/or account takeover. This has been patched in release 1.0.1. This has already been deployed to all Scratch Wikis. No workarounds exist other than disabling the extension completely."}, {"lang": "es", "value": "La extensi\u00f3n ScratchSig para MediaWiki versiones anteriores a 1.0.1, permite un ataque de tipo Cross-Site Scripting almacenado.&#xa0;Usando la etiqueta (script) dentro de la etiqueta (scratchsig), los atacantes con permiso de edici\u00f3n pueden ejecutar scripts en el navegador de los visitantes.&#xa0;Con MediaWiki JavaScript API, esto puede conllevar potencialmente a una escalada de privilegios y/o la toma de control de la cuenta.&#xa0;Esto ha sido parcheado en la versi\u00f3n 1.0.1.&#xa0;Esto ya ha sido implementado en todas las Scratch Wikis.&#xa0;No existen soluciones alternativas que no sean deshabilitar la extensi\u00f3n por completo"}], "lastModified": "2024-11-21T05:05:00.977", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:scratch-wiki:scratchsig:*:*:*:*:*:mediawiki:*:*", "vulnerable": true, "matchCriteriaId": "B2D24ECE-BEF9-49F9-ABCD-61C5052BBCFE", "versionEndExcluding": "1.0.1"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}