{"cve":"CVE-2026-30934","nvd":{"published":"2026-03-10T18:18:53.257","modified":"2026-06-17T10:33:10.703","status":"Analyzed","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.","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/gtsteffaniak/filebrowser/releases/tag/v1.2.2-stable","https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.3.1-beta","https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-r633-fcgp-m532"],"products":["filebrowser:filebrowser"],"source":"nvd","synced_at":"2026-10-19T22:25:53.701907451+00:00"},"epss":{"cve":"CVE-2026-30934","score":0.00368,"percentile":0.30711,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-r633-fcgp-m532","url":"https://osv.dev/vulnerability/GHSA-r633-fcgp-m532","summary":"FileBrowser Quantum: Stored XSS in public share page via unsanitized share metadata (text/template misuse)","modified":"2026-03-24T21:17:27.316955Z","packages":[{"ecosystem":"Go","name":"github.com/gtsteffaniak/filebrowser","purl":"pkg:golang/github.com/gtsteffaniak/filebrowser","ranges":["<0.0.0-20260307130210-09713b32a5f6"],"fixed":["0.0.0-20260307130210-09713b32a5f6"]}]},{"id":"GO-2026-4660","url":"https://osv.dev/vulnerability/GO-2026-4660","summary":"FileBrowser Quantum: Stored XSS in public share page via unsanitized share metadata (text/template misuse) in github.com/gtsteffaniak/filebrowser","modified":"2026-03-23T04:52:51.941232Z","packages":[{"ecosystem":"Go","name":"github.com/gtsteffaniak/filebrowser","purl":"pkg:golang/github.com/gtsteffaniak/filebrowser","ranges":["<0.0.0-20260307130210-09713b32a5f6"],"fixed":["0.0.0-20260307130210-09713b32a5f6"]}]}],"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."]}