How severe is CVE-2017-4926?

CVE-2017-4926 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-2017-4926 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-4926?

CVE-2017-4926 affects Vmware Vcenter Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-4926?

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

When was CVE-2017-4926 published?

CVE-2017-4926 was published on 2017-09-15 and last updated on 2026-06-17.

CVE-2017-4926

CVE-2017-4926 is a medium-severity vulnerability in Vmware Vcenter Server 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)
CVSS v2: 3.5
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Vmware Vcenter Server
Published: 2017-09-15
Last modified: 2026-06-17

Description

VMware vCenter Server (6.5 prior to 6.5 U1) contains a vulnerability that may allow for stored cross-site scripting (XSS). An attacker with VC user privileges can inject malicious java-scripts which will get executed when other VC users access the page.

Frequently asked questions

What is CVE-2017-4926?: VMware vCenter Server (6.5 prior to 6.5 U1) contains a vulnerability that may allow for stored cross-site scripting (XSS). An attacker with VC user privileges can inject malicious java-scripts which will get executed when other VC users access the page.
How severe is CVE-2017-4926?: CVE-2017-4926 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-2017-4926 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-4926?: CVE-2017-4926 affects Vmware Vcenter Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-4926?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-4926 published?: CVE-2017-4926 was published on 2017-09-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vmware:vcenter_server:6.5:*:*:*:*:*:*:*

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