What is CVE-2017-9356?

CVE-2017-9356 is a medium-severity vulnerability in Sitecore Sitecore.net, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-06-23.

How severe is CVE-2017-9356?

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

XSS in Sitecore Sitecore.net

CVE-2017-9356

Sitecore.NET 7.1 through 7.2 has a Cross Site Scripting Vulnerability via the searchStr parameter to the /Search-Results URI.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-06-23 · 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 (54.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.1% 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

Sitecore Sitecore.net — versions 7.1, 7.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.securityfocus.com/bid/99239 (VDB Entry, Third Party Advisory, vdb-entry)
seclists.org/bugtraq/2017/Jun/43 (Exploit, Mailing List, VDB Entry)

Frequently asked questions

What is CVE-2017-9356?: CVE-2017-9356 is a medium-severity vulnerability in Sitecore Sitecore.net, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-06-23.
How severe is CVE-2017-9356?: Medium severity. CVSS v3 base score is 6.1 out of 10.