Biscom Secure File Transfer is vulnerable to cross-site scripting in the File Name field. An authenticated user with permissions to upload or send files can populate this field with a filename that contains standard HTML scripting tags. The resulting script will evaluated by any other authenticated user who views the attacker-supplied file name. All versions of SFT prior to 5.1.1028 are affected. The fix version is 5.1.1028.
Conclusion & alert: CVE-2017-5247 is rated Low Risk (35.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.50%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.22% | 0.50% | +0.28% |
| 2 | 2025-03-17 | 0.05% | 0.22% | +0.17% |
| 3 | 2024-12-17 | — | 0.05% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.4 | 3.0 | MEDIUM |
|
2.3 | 2.7 | [email protected] |
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| biscom | secure_file_transfer | — | cpe:2.3:a:biscom:secure_file_transfer:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://cve.biscom.com/bis-sft-cv-0005/ | |
| https://twitter.com/i_bo0om/status/885050741567750145 | Third Party Advisory |