{"cve":"CVE-2021-37794","nvd":{"published":"2021-08-31T18:15:08.317","modified":"2026-06-17T04:01:09.700","status":"Modified","description":"A stored cross-site scripting (XSS) vulnerability exists in FileBrowser < v2.16.0 that allows an authenticated user authorized to upload a malicious .svg file which acts as a stored XSS payload. If this stored XSS payload is triggered by an administrator it will trigger malicious OS commands on the server running the FileBrowser instance.","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://gist.github.com/omriinbar/1e28649f31d795b0e9b7698a9d255b5c","https://github.com/filebrowser/filebrowser","https://github.com/filebrowser/filebrowser/commit/201329abce4e92ae9071b9ded81e267aae159fbd","https://gist.github.com/omriinbar/1e28649f31d795b0e9b7698a9d255b5c","https://github.com/filebrowser/filebrowser"],"products":["filebrowser_project:filebrowser"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-37794","score":0.00779,"percentile":0.55922,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}