Vulnerability · Published Jul 13, 2026 · Assigned by VulnCheck

CVE-2026-61504Rejetto HFS < 3.2.1 Stored XSS via File Names in Basic Web Listing

Medium 5.4

In plain English

A medium-severity cross-site scripting in hfs from rejetto. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.2%top 85.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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 with an open upload folder - can store a file whose name contains script that executes in the browser of anyone viewing the listing.

Affected products (as reported)

Vendor	Product	Versions
rejetto	hfs	3.0.0 – before 3.2.1

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References

hfs v3.2.1 Release Notes release-notes, patch
https://www.vulncheck.com/advisories/rejetto-hfs-stored-xss-via-file-names-in-basic-web-listing third-party-advisory