What is CVE-2015-6931?

CVE-2015-6931 is a medium-severity vulnerability in VMware Vcenter Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2016-07-03.

How severe is CVE-2015-6931?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in VMware Vcenter Server

CVE-2015-6931

Cross-site scripting (XSS) vulnerability in the vSphere Web Client in VMware vCenter Server 5.0 before U3g, 5.1 before U3d, and 5.5 before U2d allows remote attackers to inject arbitrary web script or HTML via a crafted URL.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2016-07-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

VMware Vcenter Server — versions 5.0, 5.1, 5.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.securitytracker.com/id/1036112 (vdb-entry)
www.vmware.com/security/advisories/VMSA-2016-0009.html (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2015-6931?: CVE-2015-6931 is a medium-severity vulnerability in VMware Vcenter Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2016-07-03.
How severe is CVE-2015-6931?: Medium severity. CVSS v3 base score is 6.1 out of 10.