What is CVE-2020-4704?

CVE-2020-4704 is a medium-severity vulnerability in IBM Content Navigator, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-11-10.

How severe is CVE-2020-4704?

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

XSS in IBM Content Navigator

CVE-2020-4704

IBM Content Navigator 3.0CD is vulnerable to stored 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: 187189.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-11-10 · 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: 0.009 (56.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.9% 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 Content Navigator — versions 3.0.CD
IBM Content Navigator — versions 3.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.ibm.com/support/pages/node/6365327 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/187189 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4704?: CVE-2020-4704 is a medium-severity vulnerability in IBM Content Navigator, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-11-10.
How severe is CVE-2020-4704?: Medium severity. CVSS v3 base score is 5.4 out of 10.