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Wyse Management Suite CVE-2026-82160

| EUVDEUVD-2026-116378 LOW
Cross-site Scripting (XSS) (CWE-79)
2026-11-03 dell GHSA-3c4h-r2g2-76wv
3.3
CVSS 3.1 · Vendor: dell
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain low-privileged local access to WMS
  2. Delivery
    Submit input with malicious script payload
  3. Exploit
    Payload stored/reflected in generated web page
  4. Execution
    Script executes in web context
  5. Impact
    Limited information disclosure

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.

Exploitation Conditions

Exploitation requires the attacker to already have a low-privileged account AND local access to the Dell Wyse Management Suite instance (per CVSS AV:L and PR:L) running a version prior to 2609.0.0.155. The script-injection vector is local and authenticated, which substantially limits exposure: a remote, unauthenticated attacker cannot reach it from the supplied vector, and only confidentiality is affected (limited), with no integrity or availability impact. The exact feature, field, or page that accepts the unneutralized input is not described in the available sources, so the precise configuration prerequisite cannot be stated. The only complete fix per the vendor advisory is upgrading to 2609.0.0.155 or later.

Impact

This is a low-priority issue rather than a genuine emergency, and the signals are internally consistent rather than conflicting. The CVSS base score is only 3.3 (Low), driven by a vector that requires local access (AV:L), already-granted low privileges (PR:L), and yields only limited confidentiality impact (C:L) with no integrity or availability impact (I:N/A:N). The vuln.today decision label is 'monitor', the weakest urgency tier, which aligns with the low CVSS. There is no CISA KEV listing, no EPSS score was supplied, and no public exploit or PoC reference is present in the input. Combining these signals - low severity, local-only vector, pre-authenticated low-privilege requirement, limited single-system impact, and an explicit 'monitor' decision - the realistic risk is minor. The main caveat is that CWE-79 (XSS) normally implies a victim's browser executing injected script, which usually involves user interaction and can affect a different user/session, yet Dell's supplied vector lists UI:N and S:U; the trigger and the identity of the victim are not described in the available sources, so whether another operator's session is impacted cannot be confirmed from the data provided.

Exploit ScenarioDerived

An attacker who already holds a low-privileged, locally accessible account on the Dell Wyse Management Suite environment injects crafted script into an input that is reflected or stored in a generated web page. When that page is rendered, the injected script executes in the web context, potentially exposing limited information. No public exploit or PoC is identified, and the exact injection point and trigger are not described in the available sources.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
Patch available

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AnalysisAIv1 – Nov 03, 2026

Script injection in Dell Wyse Management Suite (versions prior to 2609.0.0.155) lets an attacker who already holds a low-privileged local account inject script through unneutralized web-page input, with only a limited confidentiality impact and no integrity or availability effect recorded by the CVSS vector (AV:L/PR:L/UI:N/C:L/I:N/A:N). Exposure is narrow: the vector requires local access plus an existing low-privileged account, so a remote unauthenticated attacker cannot reach the flaw and no public exploit code or CISA KEV entry is associated with it. Priority rating is monitor, and this is a low-priority issue rather than an emergency, with internally consistent rather than conflicting signals.

RemediationAI

The only complete fix per the vendor advisory is upgrading Dell Wyse Management Suite to 2609.0.0.155 or later; Dell-released patch: 2609.0.0.155. Consult DSA-2026-405 at https://www.dell.com/support/kbdoc/en-us/000506515/dsa-2026-405-security-update-for-dell-wyse-management-suite-wms-for-multiple-vulnerabilities for the full remediation guidance and any companion vulnerabilities fixed in the same release. Because the assessed vector requires local access plus a low-privileged account, exposure before patching can be reduced by limiting who can log on to or reach the WMS instance locally and by reviewing low-privileged account holdings, with the trade-off that legitimate administrative and support workflows using local console access must be re-scoped. No workaround short of the upgrade is stated in the available sources, and no vendor-released mitigation other than updating is documented.

Affected VersionsENISA

Wyse Management Suite 0 <2609.0.0.155

Affected Packages

euvd wyse_management_suite fix: 2609.0.0.155

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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

Technical ContextAI · show details

The flaw is CWE-79, improper neutralization of input during web page generation, in Dell Wyse Management Suite, the management console used to administer Wyse thin-client fleets. The CPE cpe:2.3:a:dell:wyse_management_suite:*:*:*:*:*:*:*:* confirms the affected product family, with the vendor advisory scoping impact to releases before 2609.0.0.155. The assessed vector is AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N: the attacker needs local presence and a low-privileged account, scope is unchanged, and the only rated consequence is limited confidentiality loss - no integrity or availability impact is scored despite the script-injection class. The advisory does not state which page, field, or feature accepts the unneutralized input, so the trigger is not described in the available sources, and it does not document a specific configuration or deployment mode that is more or less exposed.

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Severity by source

Vendor (dell) PRIMARY 3.3 LOW
AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
vuln.today AI 3.3 LOW

Description states low-privileged local access (AV:L, PR:L) and script injection yielding limited disclosure only; no trigger described, so UI:N/S:U retained with C:L, I:N, A:N.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (dell).

CVSS VectorVendor: dell

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

1
Patch available
Nov 03, 2026 - 22:04 EUVD

DescriptionCVE.org

Dell Wyse Management Suite, versions prior to 2609.0.0.155, contain an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Script injection.

Threat Intelligence Overview

Prevalence
Low
niche enterprise tool for managing Dell Wyse thin-client fleets
Data Quality
3 sources
Confidence: Low

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 LOW
CISA KEV No
Public POC No
EPSS N/A
Patch available Yes
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
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
None
System Exposure· derived
Small
Automatable
No
Human Impact· derived
Low
Technical Impact
Partial

Priority Score

16
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +16
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.

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