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Fabric Composer CVE-2025-23056

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2025-01-28 security-alert@hpe.com
5.5
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 5.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required. EPSS exploitation probability: 0.06%.

Exploit ScenarioDerived

A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

A vulnerability in the web management interface of HPE Aruba Networking Fabric Composer could allow an authenticated remote attacker to conduct a stored cross-site scripting (XSS) attack. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A vulnerability in the web management interface of HPE Aruba Networking Fabric Composer could allow an authenticated remote attacker to conduct a stored cross-site scripting (XSS) attack. If successfully exploited, a threat actor could run arbitrary script code in a victim's web browser within the context of the compromised interface. Affected products include: Arubanetworks Fabric Composer.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.5 MEDIUM
AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionCVE.org

A vulnerability in the web management interface of HPE Aruba Networking Fabric Composer could allow an authenticated remote attacker to conduct a stored cross-site scripting (XSS) attack. If successfully exploited, a threat actor could run arbitrary script code in a victim's web browser within the context of the compromised interface.

Executive ViewAI

Why It Matters

CVE-2025-23056 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 5.5. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.

Threat Intelligence Overview

EPSS Score
0.1%
Top 82% exploitable

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)CVE.org

cpe:2.3:a:arubanetworks:fabric_composer:*:*:*:*:*:*:*:*
CVE-2026-76658 CRITICAL
10.0 Sep 01

Remote code execution in HPE Networking (Aruba) Fabric Composer allows an unauthenticated attacker to reach the applianc

CVE-2026-76657 CRITICAL
10.0 Sep 01

Authentication bypass in the API of HPE Networking Fabric Composer lets an unauthenticated remote attacker circumvent ex

CVE-2026-19766 CRITICAL
9.6 Sep 01

Authentication bypass in HPE Networking Fabric Composer (AFC) lets an unauthenticated attacker on an adjacent network ex

CVE-2026-73701 CRITICAL
9.0 Sep 01

Unauthenticated remote code execution in HPE Networking Fabric Composer allows a network attacker to run arbitrary code

CVE-2026-73700 CRITICAL
9.0 Sep 01

Stored cross-site scripting in the web management interface of HPE Networking Fabric Composer allows an authenticated lo

CVE-2026-73705 HIGH
8.8 Sep 01

Arbitrary file write via the HPE Networking Fabric Composer API allows an authenticated low-privilege operator to escala

CVE-2026-73702 HIGH
8.8 Sep 01

Privilege escalation in HPE Networking Fabric Composer's API allows an authenticated low-privilege operator user to elev

CVE-2026-73704 HIGH
8.8 Sep 01

Privilege escalation in HPE Networking Fabric Composer allows an authenticated low-privilege operator to gain full admin

CVE-2026-73703 HIGH
8.8 Sep 01

Stored cross-site scripting in the HPE Networking Fabric Composer web management interface allows an unauthenticated att

CVE-2026-73706 HIGH
8.6 Sep 01

Unauthenticated remote access to the HPE Networking Fabric Composer API allows attackers to read limited internal system

CVE-2026-73707 HIGH
8.5 Sep 01

Privilege escalation in the HPE Networking Fabric Composer API allows authenticated low-privilege operator users to invo

CVE-2026-73708 HIGH
8.3 Sep 01

Privilege escalation in HPE Networking Fabric Composer allows an authenticated low-privilege operator to exploit busines

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