What is CVE-2018-6587?

CVE-2018-6587 is a medium-severity vulnerability in Ca API Developer Portal, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-03-29.

How severe is CVE-2018-6587?

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

XSS in Ca API Developer Portal

CVE-2018-6587

CA API Developer Portal 3.5 up to and including 3.5 CR6 has a reflected cross-site scripting vulnerability related to the widgetID variable.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-03-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.4% 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

Ca API Developer Portal — versions 3.5
Ca Technologies API Developer Portal — versions 3.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.securitytracker.com/id/1040603 (VDB Entry, Third Party Advisory, vdb-entry)
support.ca.com/us/product-content/recommended-reading/security-notices/ca201803… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-6587?: CVE-2018-6587 is a medium-severity vulnerability in Ca API Developer Portal, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-03-29.
How severe is CVE-2018-6587?: Medium severity. CVSS v3 base score is 6.1 out of 10.