What is CVE-2017-1121?

CVE-2017-1121 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-02-13.

How severe is CVE-2017-1121?

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

XSS in IBM Websphere Application Server

CVE-2017-1121

IBM WebSphere Application Server 7.0, 8.0, and 9.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM Reference #: 1997743

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-02-13 · 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: 0.009 (57.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.6% 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

IBM Websphere Application Server — versions 7.0, 8.0, 8.5
IBM Corporation Websphere Application Server — versions 9.0, 8.0.0, 8.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.securitytracker.com/id/1037806 (vdb-entry)
www.securityfocus.com/bid/96164 (vdb-entry)
www.ibm.com/support/docview.wss (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2017-1121?: CVE-2017-1121 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-02-13.
How severe is CVE-2017-1121?: Medium severity. CVSS v3 base score is 5.4 out of 10.