{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-30974", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-07T17:53:48.816Z", "datePublished": "2026-03-10T17:37:26.214Z", "dateUpdated": "2026-03-10T17:37:26.214Z"}, "containers": {"cna": {"title": "Copyparty volflag `nohtml` did not block javascript in svg files", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/9001/copyparty/security/advisories/GHSA-m6hv-x64c-27mm", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/9001/copyparty/security/advisories/GHSA-m6hv-x64c-27mm"}, {"name": "https://github.com/9001/copyparty/commit/1c9f894e149b6be3cc7de81efc93a4ce4766e0e5", "tags": ["x_refsource_MISC"], "url": "https://github.com/9001/copyparty/commit/1c9f894e149b6be3cc7de81efc93a4ce4766e0e5"}, {"name": "https://github.com/9001/copyparty/releases/tag/v1.20.11", "tags": ["x_refsource_MISC"], "url": "https://github.com/9001/copyparty/releases/tag/v1.20.11"}], "affected": [{"vendor": "9001", "product": "copyparty", "versions": [{"version": "< 1.20.11", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-10T17:37:26.214Z"}, "descriptions": [{"lang": "en", "value": "Copyparty is a portable file server. Prior to v1.20.11., the nohtml config option, intended to prevent execution of JavaScript in user-uploaded HTML files, did not apply to SVG images. A user with write-permission could upload an SVG containing embedded JavaScript, which would execute in the context of whichever user opens it. This has been fixed in v1.20.11."}], "source": {"advisory": "GHSA-m6hv-x64c-27mm", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Copyparty is a portable file server. Prior to v1.20.11., the nohtml config option, intended to prevent execution of JavaScript in user-uploaded HTML files, did not apply to SVG images. A user with write-permission could upload an SVG containing embedded JavaScript, which would execute in the context of whichever user opens it. This has been fixed in v1.20.11."}], "id": "CVE-2026-30974", "lastModified": "2026-03-10T18:18:56.220", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 2.5, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-10T18:18:56.220", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/9001/copyparty/commit/1c9f894e149b6be3cc7de81efc93a4ce4766e0e5"}, {"source": "security-advisories@github.com", "url": "https://github.com/9001/copyparty/releases/tag/v1.20.11"}, {"source": "security-advisories@github.com", "url": "https://github.com/9001/copyparty/security/advisories/GHSA-m6hv-x64c-27mm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}