CVE-2026-73703

Unauthenticated Stored Cross-Site Scripting (XSS) Vulnerability in HPE Networking Fabric Composer Web-Based Management Interface

Published Sep 1, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated adjacent attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface. A successful exploit could allow an attacker to execute arbitrary script code in a victim's browser in the context of the affected interface.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Hewlett Packard Enterprise (hpe)
Hewlett Packard Enterprise (hpe) fabric Composer
Vendors & Products Hewlett Packard Enterprise (hpe)
Hewlett Packard Enterprise (hpe) fabric Composer
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Arubanetworks
Arubanetworks fabric Composer
CPEs cpe:2.3:a:arubanetworks:fabric_composer:*:*:*:*:*:*:*:*
Vendors & Products Arubanetworks
Arubanetworks fabric Composer
Type Values Removed Values Added
Weaknesses CWE-79
Type Values Removed Values Added
Description A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated adjacent attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface. A successful exploit could allow an attacker to execute arbitrary script code in a victim's browser in the context of the affected interface.
Title Unauthenticated Stored Cross-Site Scripting (XSS) Vulnerability in HPE Networking Fabric Composer Web-Based Management Interface
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hpe
Published
Updated
Sep 2, 2026, 3:16 PM
Reserved
Aug 13, 2026, 4:35 PM
Status
Modified
Published
Sep 1, 2026, 8:17 PM
Modified
Sep 2, 2026, 4:17 PM