How severe is CVE-2026-23858?

CVE-2026-23858 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-23858 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-23858?

CVE-2026-23858 affects Dell Wyse Management Suite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-23858?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-23858 have an EU (EUVD) identifier?

Yes. CVE-2026-23858 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8558.

When was CVE-2026-23858 published?

CVE-2026-23858 was published on 2026-02-24 and last updated on 2026-06-17.

CVE-2026-23858

CVE-2026-23858 is a medium-severity vulnerability in Dell Wyse Management Suite with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8558
Weakness: CWE-79
Affected product: Dell Wyse Management Suite
Published: 2026-02-24
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-23858?: 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.
How severe is CVE-2026-23858?: CVE-2026-23858 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-23858 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23858?: CVE-2026-23858 affects Dell Wyse Management Suite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-23858?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-23858 have an EU (EUVD) identifier?: Yes. CVE-2026-23858 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8558.
When was CVE-2026-23858 published?: CVE-2026-23858 was published on 2026-02-24 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000429141/dsa-2026-103

Affected products (1)

cpe:2.3:a:dell:wyse_management_suite:*:*:*:*:*:*:*:*

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