What is CVE-2026-61504?

CVE-2026-61504 is a medium-severity vulnerability in Rejetto Hfs, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-07-13.

How severe is CVE-2026-61504?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Rejetto Hfs

CVE-2026-61504

Rejetto HFS 3.0.0 through 3.2.0 does not escape file names in its fallback "basic" web listing, and this listing can be forced by any browser via the ?get=basic parameter. A user with upload permission - or an anonymous user on servers wit…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Rejetto Hfs — versions 3.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (release-notes, patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-61504?: CVE-2026-61504 is a medium-severity vulnerability in Rejetto Hfs, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-07-13.
How severe is CVE-2026-61504?: Medium severity. CVSS v3 base score is 5.4 out of 10.