What is CVE-2017-11439?

CVE-2017-11439 is a medium-severity vulnerability in Sitecore Cms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-07-19.

How severe is CVE-2017-11439?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Sitecore Cms

CVE-2017-11439

In Sitecore 8.2, there is reflected XSS in the shell/Applications/Tools/Run Program parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-07-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Sitecore Cms — versions 8.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

xc0re.net/2017/07/03/sitecore-cms-v-8-2-multiple-vulnerabilties/ (Exploit, Third Party Advisory)
packetstormsecurity.com/files/143357/Sitecore-CMS-8.2-Cross-Site-Scripting-File… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2017-11439?: CVE-2017-11439 is a medium-severity vulnerability in Sitecore Cms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-07-19.
How severe is CVE-2017-11439?: Medium severity. CVSS v3 base score is 5.4 out of 10.