{"cve":{"cve_id":"CVE-2026-30974","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00323,"epss_percentile":0.23865,"epss_as_of":"2026-06-23","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.","published_at":"2026-03-10T17:37:26.214000Z","last_modified_at":null,"cvss_v3_score":4.6,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-79"],"nvd_references":["https://github.com/9001/copyparty/security/advisories/GHSA-m6hv-x64c-27mm","https://github.com/9001/copyparty/commit/1c9f894e149b6be3cc7de81efc93a4ce4766e0e5","https://github.com/9001/copyparty/releases/tag/v1.20.11"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:29:42.311389Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"R","value_label":"Required"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"L","value_label":"Low"},{"metric":"I","name":"Integrity","value":"L","value_label":"Low"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"9001","vendor_name":"9001","product_slug":"copyparty","product_name":"copyparty","version_start":"< 1.20.11","version_start_inclusive":true,"version_end":"< 1.20.11","version_end_inclusive":true,"cpe23_uri":"cve5:9001:copyparty:< 1.20.11:< 1.20.11"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/9001/copyparty/security/advisories/GHSA-m6hv-x64c-27mm","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/9001/copyparty/commit/1c9f894e149b6be3cc7de81efc93a4ce4766e0e5","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/9001/copyparty/releases/tag/v1.20.11","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2026-03-10T17:37:26.214000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:52:48.743441Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:52:48.743441Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:52:48.743441Z","label":"CVSS score revised","source":"cvelistv5"}]}