{"id":"CVE-2026-34530","aliases":["GHSA-xfqj-3vmx-63wv","GO-2026-5754"],"url":"https://o3.security/vulnerability/CVE-2026-34530","summary":"File Browser is vulnerable to Stored Cross-Site Scripting via text/template branding injection","details":"File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to version 2.62.2, the SPA index page in File Browser is vulnerable to Stored Cross-Site Scripting (XSS) via admin-controlled branding fields. An admin who sets branding.name to a malicious payload injects persistent JavaScript that executes for ALL visitors, including unauthenticated users. This issue has been patched in version 2.62.2.","published":"2026-04-01T20:41:08.718Z","modified":"2026-08-07T11:49:52.894542625Z","cvss":{"score":6.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/filebrowser/filebrowser/v2","fixedVersion":"2.62.2"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/filebrowser/filebrowser/releases/tag/v2.62.2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34530.json"},{"type":"ADVISORY","url":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-xfqj-3vmx-63wv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34530"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:49:52.894542625Z"}}