{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-66300", "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725", "state": "PUBLISHED", "assignerShortName": "cisa-cg", "dateReserved": "2026-07-24T15:58:38.179Z", "datePublished": "2026-08-04T18:51:27.626Z", "dateUpdated": "2026-08-04T18:58:36.936Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "SNOMED International Snowstorm contains a reflected XSS vulnerability within the \"Web Route\" redirection functionality. An attacker can inject arbitrary JavaScript which will execute upon a target user navigating to a crafted, malicious link. Fixed in 10.12.2 and 10.9.3."}], "affected": [{"vendor": "SNOMED International", "product": "Snowstorm", "defaultStatus": "unknown", "versions": [{"version": "7.0.0", "status": "affected", "lessThan": "10.12.2", "versionType": "custom"}, {"version": "10.12.2", "status": "unaffected"}, {"version": "10.9.3", "status": "unaffected"}]}], "problemTypes": [{"descriptions": [{"description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "lang": "en", "type": "CWE", "cweId": "CWE-79"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"cvssV4_0": {"version": "4.0", "baseScore": 2.3, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-04T16:06:49.793385Z", "id": "CVE-2026-66300", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "SNOMED International Snowstorm reflected XSS", "references": [{"name": "url", "url": "https://github.com/IHTSDO/snowstorm/commit/575b555695811110dafe2fcea7dd2fd7e4bcee39", "tags": ["patch"]}, {"name": "url", "url": "https://github.com/IHTSDO/snowstorm/commit/b8061add427c930b3030549e77aa23ec5957ceb6", "tags": ["patch"]}, {"name": "url", "url": "https://www.cve.org/CVERecord?id=CVE-2026-66300", "tags": ["vdb-entry"]}, {"name": "url", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-212-01.json", "tags": ["third-party-advisory"]}], "credits": [{"value": "Michael Milkovich, CISA", "lang": "en"}, {"value": "Karl Meister, CISA", "lang": "en"}], "datePublic": "2026-07-24T00:00:00.000Z", "providerMetadata": {"orgId": "9119a7d8-5eab-497f-8521-727c672e3725", "shortName": "cisa-cg", "dateUpdated": "2026-08-04T18:51:27.626Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-04T18:58:26.743125Z", "id": "CVE-2026-66300", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-04T18:58:36.936Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-66300", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-04T18:58:26.743125Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-04T18:58:32.291Z"}}], "cna": {"title": "SNOMED International Snowstorm reflected XSS", "credits": [{"lang": "en", "value": "Michael Milkovich, CISA"}, {"lang": "en", "value": "Karl Meister, CISA"}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"cvssV4_0": {"version": "4.0", "baseScore": 2.3, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-66300", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-04T16:06:49.793385Z"}}}], "affected": [{"vendor": "SNOMED International", "product": "Snowstorm", "versions": [{"status": "affected", "version": "7.0.0", "lessThan": "10.12.2", "versionType": "custom"}, {"status": "unaffected", "version": "10.12.2"}, {"status": "unaffected", "version": "10.9.3"}], "defaultStatus": "unknown"}], "datePublic": "2026-07-24T00:00:00.000Z", "references": [{"url": "https://github.com/IHTSDO/snowstorm/commit/575b555695811110dafe2fcea7dd2fd7e4bcee39", "name": "url", "tags": ["patch"]}, {"url": "https://github.com/IHTSDO/snowstorm/commit/b8061add427c930b3030549e77aa23ec5957ceb6", "name": "url", "tags": ["patch"]}, {"url": "https://www.cve.org/CVERecord?id=CVE-2026-66300", "name": "url", "tags": ["vdb-entry"]}, {"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-212-01.json", "name": "url", "tags": ["third-party-advisory"]}], "descriptions": [{"lang": "en", "value": "SNOMED International Snowstorm contains a reflected XSS vulnerability within the \"Web Route\" redirection functionality. An attacker can inject arbitrary JavaScript which will execute upon a target user navigating to a crafted, malicious link. Fixed in 10.12.2 and 10.9.3."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "providerMetadata": {"orgId": "9119a7d8-5eab-497f-8521-727c672e3725", "shortName": "cisa-cg", "dateUpdated": "2026-08-04T18:51:27.626Z"}}}, "cveMetadata": {"cveId": "CVE-2026-66300", "state": "PUBLISHED", "dateUpdated": "2026-08-04T18:58:36.936Z", "dateReserved": "2026-07-24T15:58:38.179Z", "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725", "datePublished": "2026-08-04T18:51:27.626Z", "assignerShortName": "cisa-cg"}, "dataVersion": "5.2"}

{}

{}