{"cve":{"cve_id":"CVE-2026-30934","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":0.00347,"epss_percentile":0.26402,"epss_as_of":"2026-06-23","description":"FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.3.1-beta and 1.2.2-stable, Stored XSS is possible via share metadata fields (e.g., title, description) that are rendered into HTML for /public/share/<hash> without context-aware escaping. The server uses text/template instead of html/template, allowing injected scripts to execute when victims visit the share URL. This vulnerability is fixed in 1.3.1-beta and 1.2.2-stable.","published_at":"2026-03-10T16:12:23.434000Z","last_modified_at":null,"cvss_v3_score":8.9,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L","cvss_v3_severity":"HIGH","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/gtsteffaniak/filebrowser/security/advisories/GHSA-r633-fcgp-m532","https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.2.2-stable","https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.3.1-beta"],"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":"2026-06-28T23:29:41.474307Z"},"effective_severity":"HIGH","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":"C","value_label":"Changed"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"L","value_label":"Low"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"gtsteffaniak","vendor_name":"gtsteffaniak","product_slug":"filebrowser","product_name":"filebrowser","version_start":">= 1.3.0-beta, < 1.3.1-beta","version_start_inclusive":true,"version_end":">= 1.3.0-beta, < 1.3.1-beta","version_end_inclusive":true,"cpe23_uri":"cve5:gtsteffaniak:filebrowser:>= 1.3.0-beta, < 1.3.1-beta:>= 1.3.0-beta, < 1.3.1-beta"},{"vendor_slug":"gtsteffaniak","vendor_name":"gtsteffaniak","product_slug":"filebrowser","product_name":"filebrowser","version_start":"< 1.2.2-stable","version_start_inclusive":true,"version_end":"< 1.2.2-stable","version_end_inclusive":true,"cpe23_uri":"cve5:gtsteffaniak:filebrowser:< 1.2.2-stable:< 1.2.2-stable"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-r633-fcgp-m532","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.2.2-stable","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.3.1-beta","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2026-03-10T16:12:23.434000Z","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"}]}