How severe is CVE-2016-7463?

CVE-2016-7463 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-2016-7463 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-7463?

CVE-2016-7463 primarily affects Vmware Esxi. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-7463?

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

When was CVE-2016-7463 published?

CVE-2016-7463 was published on 2016-12-29 and last updated on 2026-06-17.

CVE-2016-7463

CVE-2016-7463 is a medium-severity vulnerability in Vmware Esxi 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% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Vmware Esxi
Published: 2016-12-29
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in the Host Client in VMware vSphere Hypervisor (aka ESXi) 5.5 and 6.0 allows remote authenticated users to inject arbitrary web script or HTML via a crafted VM.

Frequently asked questions

What is CVE-2016-7463?: Cross-site scripting (XSS) vulnerability in the Host Client in VMware vSphere Hypervisor (aka ESXi) 5.5 and 6.0 allows remote authenticated users to inject arbitrary web script or HTML via a crafted VM.
How severe is CVE-2016-7463?: CVE-2016-7463 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-2016-7463 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-7463?: CVE-2016-7463 primarily affects Vmware Esxi. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-7463?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-7463 published?: CVE-2016-7463 was published on 2016-12-29 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:vmware:esxi:5.5:*:*:*:*:*:*:*
cpe:2.3:o:vmware:esxi:6.0:*:*:*:*:*:*:*

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