Reflected Cross-Site Scripting Vulnerability in HPE Networking Fabric Composer
CVE-2026-73731

6.1MEDIUM

Key Information:

Vendor

HP (HP)

Vendor
CVE Published:
1 September 2026

What is CVE-2026-73731?

A security flaw exists in the web-based management interface of HPE Networking Fabric Composer that may permit an unauthenticated remote attacker to execute a reflected cross-site scripting (XSS) attack. Through successful exploitation, an attacker could inject arbitrary script code into a victim's browser while interacting with the affected interface, potentially leading to unauthorized actions or data exposure.

Affected Version(s)

Fabric Composer 7.0.0 <= 7.3.3

References

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Unknown contributor
.