What is CVE-2016-8999?

CVE-2016-8999 is a medium-severity vulnerability in IBM Infosphere Datastage, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-02-01.

How severe is CVE-2016-8999?

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

XSS in IBM Infosphere Datastage

CVE-2016-8999

IBM InfoSphere Information Server contains a Path-relative stylesheet import vulnerability that allows attackers to render a page in quirks mode thereby facilitating an attacker to inject malicious CSS.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-02-01 · 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: 0.007 (53.3th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

IBM Infosphere Datastage — versions 8.7, 9.1, 11.3
IBM Infosphere Information Server — versions 8.7, 9.1, 11.3
IBM Infosphere Information Server On Cloud — versions 11.5
IBM Corporation Infosphere Information Server — versions 8.7, 8.1, 11.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.securitytracker.com/id/1037563 (vdb-entry)
www.securityfocus.com/bid/95325 (VDB Entry, Third Party Advisory, vdb-entry)
www.ibm.com/support/docview.wss (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-8999?: CVE-2016-8999 is a medium-severity vulnerability in IBM Infosphere Datastage, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-02-01.
How severe is CVE-2016-8999?: Medium severity. CVSS v3 base score is 5.4 out of 10.