{"cve":"CVE-2026-30974","nvd":{"published":"2026-03-10T18:18:56.220","modified":"2026-06-17T10:33:15.220","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["https://github.com/9001/copyparty/commit/1c9f894e149b6be3cc7de81efc93a4ce4766e0e5","https://github.com/9001/copyparty/releases/tag/v1.20.11","https://github.com/9001/copyparty/security/advisories/GHSA-m6hv-x64c-27mm"],"products":["9001:copyparty"],"source":"nvd","synced_at":"2026-10-19T22:25:53.701907451+00:00"},"epss":{"cve":"CVE-2026-30974","score":0.00343,"percentile":0.27851,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-m6hv-x64c-27mm","url":"https://osv.dev/vulnerability/GHSA-m6hv-x64c-27mm","summary":"copyparty: volflag `nohtml` did not block javascript in svg files","modified":"2026-07-13T07:26:49.106303986Z","packages":[{"ecosystem":"PyPI","name":"copyparty","purl":"pkg:pypi/copyparty","ranges":["<1.20.11"],"fixed":["1.20.11"]}]},{"id":"PYSEC-2026-2137","url":"https://osv.dev/vulnerability/PYSEC-2026-2137","summary":"","modified":"2026-07-13T07:15:22.786990420Z","packages":[{"ecosystem":"PyPI","name":"copyparty","purl":"pkg:pypi/copyparty","ranges":["<1.20.11"],"fixed":["1.20.11"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}