What is CVE-2016-6217?

CVE-2016-6217 is a medium-severity vulnerability in Linux Kernel, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-01-26.

How severe is CVE-2016-6217?

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

XSS in Linux Kernel

CVE-2016-6217

Cross-site scripting (XSS) vulnerability in Sophos PureMessage for UNIX before 6.3.2 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-01-26 · 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: 0.009 (59.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

pmx.sophos.com/rn/pmx/concepts/ReleaseNotes_6.3.2.html (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2016-6217?: CVE-2016-6217 is a medium-severity vulnerability in Linux Kernel, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-01-26.
How severe is CVE-2016-6217?: Medium severity. CVSS v3 base score is 6.1 out of 10.