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En las versiones afectadas es posible cargar archivos PHP introduciendo etiquetas de inserción en el back-end de Contao. Las instalaciones sólo están afectadas si presentan usuarios de back end no confiables que tengan derechos para modificar los campos que se muestran en el front end. Actualice a Contao versiones 4.4.56, 4.9.18 o 4.11.7 para resolverlo. Si no puede actualizar, desactive el inicio de sesión para usuarios de back end no confiables"}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.9},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","baseScore":6.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-94"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-94"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.0","versionEndExcluding":"4.4.56","matchCriteriaId":"B2CE6152-30F2-4712-B4DD-08F091E9ADF9"},{"vulnerable":true,"criteria":"cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.0","versionEndExcluding":"4.9.18","matchCriteriaId":"C35F4C67-BA49-46DD-A843-4D2F93B50FA3"},{"vulnerable":true,"criteria":"cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11.0","versionEndExcluding":"4.11.7","matchCriteriaId":"00F8DCD4-A7B8-4DD9-9A3C-5640D7284FF4"},{"vulnerable":true,"criteria":"cpe:2.3:a:contao:contao:4.0.0:*:*:*:*:*:*:*","matchCriteriaId":"8EB22924-9904-40AE-AD23-427B01985DE0"},{"vulnerable":true,"criteria":"cpe:2.3:a:contao:contao:4.1.0:*:*:*:*:*:*:*","matchCriteriaId":"6D89C4A4-3614-4C0E-A1EE-DC3166E635F3"},{"vulnerable":true,"criteria":"cpe:2.3:a:contao:contao:4.2.0:*:*:*:*:*:*:*","matchCriteriaId":"D19BB4B2-5649-4DF1-8DF8-49609647CD1B"},{"vulnerable":true,"criteria":"cpe:2.3:a:contao:contao:4.3.0:*:*:*:*:*:*:*","matchCriteriaId":"0F59C41A-1EC4-4B45-8A1F-FBBC90EB6FBF"},{"vulnerable":true,"criteria":"cpe:2.3:a:contao:contao:4.5.0:*:*:*:*:*:*:*","matchCriteriaId":"5DCF20BC-0B4A-4904-B1C9-FF72C83CB26D"},{"vulnerable":true,"criteria":"cpe:2.3:a:contao:contao:4.6.0:*:*:*:*:*:*:*","matchCriteriaId":"134A6E73-9292-4F37-8D0A-088249B773BC"},{"vulnerable":true,"criteria":"cpe:2.3:a:contao:contao:4.7.0:*:*:*:*:*:*:*","matchCriteriaId":"97184D33-21EC-4792-B40E-3C0E8972D400"},{"vulnerable":true,"criteria":"cpe:2.3:a:contao:contao:4.8.0:*:*:*:*:*:*:*","matchCriteriaId":"78779300-D33E-4ACF-805F-F49B1D54DFED"},{"vulnerable":true,"criteria":"cpe:2.3:a:contao:contao:4.10.0:*:*:*:*:*:*:*","matchCriteriaId":"30EBE2B6-34AC-41E0-ACAA-D3149A9A0BEB"}]}]}],"references":[{"url":"https://contao.org/en/security-advisories/php-file-inclusion-via-insert-tags.html","source":"security-advisories@github.com","tags":["Vendor Advisory"]},{"url":"https://github.com/contao/contao/security/advisories/GHSA-r6mv-ppjc-4hgr","source":"security-advisories@github.com","tags":["Third Party Advisory"]},{"url":"https://contao.org/en/security-advisories/php-file-inclusion-via-insert-tags.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://github.com/contao/contao/security/advisories/GHSA-r6mv-ppjc-4hgr","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}