CrushFTP11 before 11.3.7_57 is vulnerable to stored HTML injection in the CrushFTP Admin…
Priority MEDIUM 52CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
CrushFTP11 before 11.3.7_57 is vulnerable to stored HTML injection in the CrushFTP Admin Panel (Reports / "Who Created Folder"), enabling persistent HTML execution in admin sessions.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00289 21st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-63420
- 2026-10-03 Alias added: GHSA-4pqv-hw6c-g45v
References
More Crushftp vulnerabilities
- TI-2025-34136 CrushFTP 10 before 10.8.5 and 11 before 11.3.4_23, when the DMZ proxy feature is not… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22407 Authentication bypass in CrushFTP KEVCVSS 3.1CRITICAL 9.8
- TI-2024-03769 Unauthenticated arbitrary file read and remote code execution in CrushFTP KEVCVSS 3.1CRITICAL 10.0
- TI-2023-23122 CrushFTP prior to 10.5.1 is vulnerable to Improperly Controlled Modification of… CVSS 3.1CRITICAL 9.8
- TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
- TI-2025-39307 Cross Site Scripting (XSS) vulnerability in CrushFTP 11.3.6_48. CVSS 3.1MEDIUM 6.1
Sources
- CVE-2025-63420 · CVE Program
- CVE-2025-63420 · NVD
- FIRST EPSS
- GHSA-4pqv-hw6c-g45v · 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