What is CVE-2019-4033?

CVE-2019-4033 is a medium-severity vulnerability in IBM Content Navigator, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-04-25.

How severe is CVE-2019-4033?

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

XSS in IBM Content Navigator

CVE-2019-4033

IBM Content Navigator 2.0.3 and 3.0CD 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 X-Force ID: 155999.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-04-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.6% 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 Content Navigator — versions 2.0.3, 3.0CD
IBM Content Navigator — versions 2.0.3, 3.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.ibm.com/support/docview.wss (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/155999 (VDB Entry, vdb-entry, Not Applicable, Vendor Advisory)

Frequently asked questions

What is CVE-2019-4033?: CVE-2019-4033 is a medium-severity vulnerability in IBM Content Navigator, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-04-25.
How severe is CVE-2019-4033?: Medium severity. CVSS v3 base score is 5.4 out of 10.