Rejetto HFS < 3.2.1 Stored XSS via File Names in Basic Web Listing
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA hfs (rejetto) Fixed in 3.2.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
rejetto hfs 3.2.1
6 records Highest priority Priority MEDIUM 1 MEDIUM, 5 LOW
Other records, highest priority first
- TI-2026-44080 Rejetto HFS < 3.2.1 Session Forgery via Predictable Signing KeyPriority MEDIUM 52
- TI-2026-44085 Rejetto HFS < 3.2.1 Limited File Disclosure via Path Traversal in lang ParameterPriority LOW 37
- TI-2026-44083 Rejetto HFS < 3.2.1 Username Enumeration via Login Response DifferencesPriority LOW 37
Timeline
- 2026-10-02 Threatist record created from CVE-2026-61504
- 2026-10-03 Alias added: GHSA-868x-cwwh-grm3
References
Patch 1
More Rejetto vulnerabilities
- TI-2024-15709 Rejetto HTTP File Server 2.3m Unauthenticated RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05168 The findMacroMarker function in parserLib.pas in Rejetto HTTP File Server (aks HFS or… KEVCVSS 3.1CRITICAL 9.8
- TI-2026-64043 HFS2 2.4.0 Unauthenticated Arbitrary File Read/Write via Template Engine CVSS 4.0CRITICAL 10.0
- TI-2026-64042 HFS2 2.4.0 RCE via Multipart Upload Filename Template Injection CVSS 4.0CRITICAL 10.0
- TI-2024-26831 rejetto HFS (aka HTTP File Server) 3 before 0.52.10 on Linux, UNIX, and macOS allows OS… CVSS 3.1CRITICAL 9.9
- TI-2026-64044 HFS2 2.4.0 Unauthenticated Denial of Service via Hung Serving Thread CVSS 4.0HIGH 8.7
Sources
- CVE-2026-61504 · CVE Program
- CVE-2026-61504 · NVD
- FIRST EPSS
- GHSA-868x-cwwh-grm3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences