What is the CVSS score of CVE-2026-23858?

CVE-2026-23858 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Wyse Management Suite are affected by CVE-2026-23858?

CVE-2026-23858 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users.. A patch is available.

How to fix or mitigate CVE-2026-23858?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Wyse Management Suite CVE-2026-23858

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-02-24 security_alert@emc.com

XSS Wyse Management Suite

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

AV:N/AC:L/PR:L/UI:R/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

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

Patch released

Feb 25, 2026 - 14:50 nvd

Patch available

CVE Published

Feb 24, 2026 - 20:27 nvd

MEDIUM 5.4

DescriptionCVE.org

Dell Wyse Management Suite, versions prior to WMS 5.5, contain an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Script Injection.

AnalysisAI

Dell Wyse Management Suite versions before 5.5 contain a cross-site scripting (XSS) vulnerability that allows authenticated remote attackers to inject malicious scripts into web pages. An attacker with low privileges and user interaction can exploit this to execute arbitrary JavaScript in the context of other users' sessions. A patch is available to remediate this vulnerability.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Wyse Management Suite. Dell Wyse Management Suite, versions prior to WMS 5.5, contain an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Script Injection.

RemediationAI

A vendor patch is available — apply it immediately. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.