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{"affected": [{"affectedData": [{"product": "keycloak", "vendor": "n/a", "versions": [{"status": "affected", "version": "keycloak 10.0.1"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:keycloak:10.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "C9400BF8-DF0B-4366-99CB-7806755FB274", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:*", "matchCriteriaId": "8A121766-D626-440A-BDAB-F022B4A81C23", "versionEndExcluding": "7.4.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in Keycloak's data filter, in version 10.0.1, where it allowed the processing of data URLs in some circumstances. This flaw allows an attacker to conduct cross-site scripting or further attacks."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en el filtro de datos de Keycloak, en versi\u00f3n 10.0.1, donde permit\u00eda el procesamiento de las URL de datos en algunas circunstancias. Este fallo permite a un atacante conducir ataques de tipo cross-site scripting o mas ataques"}], "id": "CVE-2020-10748", "lastModified": "2026-06-17T02:48:22.223", "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": 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": "2020-09-16T18:15:12.547", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1836786"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1836786"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Lauritz Holtmann (Chair for Network and Data Security at Ruhr University Bochum) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2020:2813", "cpe": "cpe:/a:redhat:jboss_single_sign_on:7.4", "package": "keycloak", "product_name": "Red Hat Single Sign-On 7.4.1", "release_date": "2020-07-02T00:00:00Z"}], "bugzilla": {"description": "keycloak: top-level navigations to data URLs resulting in XSS are possible (incomplete fix of CVE-2020-1697)", "id": "1836786", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1836786"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-79", "details": ["A flaw was found in Keycloak's data filter, in version 10.0.1, where it allowed the processing of data URLs in some circumstances. This flaw allows an attacker to conduct cross-site scripting or further attacks.", "A flaw was found in Keycloak's data filter, where it allowed the processing of data URLs in some circumstances. This flaw allows an attacker to conduct cross-site scripting or further attacks."], "name": "CVE-2020-10748", "package_state": [{"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:7", "fix_state": "Not affected", "package_name": "keycloak", "product_name": "Red Hat Decision Manager 7"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "package_name": "keycloak", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "fix_state": "Not affected", "package_name": "keycloak", "product_name": "Red Hat OpenShift Application Runtimes"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Not affected", "package_name": "keycloak", "product_name": "Red Hat Process Automation 7"}, {"cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "fix_state": "Not affected", "package_name": "keycloak", "product_name": "Red Hat support for Spring Boot"}], "public_date": "2020-07-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-10748\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-10748"], "threat_severity": "Moderate"}

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