What is CVE-2019-12139?

CVE-2019-12139 is a medium-severity vulnerability in Ez Ezplatform-Admin-Ui, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-05-16.

How severe is CVE-2019-12139?

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

XSS in Ez Ezplatform-Admin-Ui

CVE-2019-12139

An XSS issue was discovered in the Admin UI in eZ Platform 2.x. This affects ezplatform-admin-ui 1.3.x before 1.3.5 and 1.4.x before 1.4.4, and ezplatform-page-builder 1.1.x before 1.1.5 and 1.2.x before 1.2.4.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-05-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

share.ez.no/community-project/security-advisories/ezsa-2019-001-xss-in-admin-ui (Vendor Advisory)

Frequently asked questions

What is CVE-2019-12139?: CVE-2019-12139 is a medium-severity vulnerability in Ez Ezplatform-Admin-Ui, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-05-16.
How severe is CVE-2019-12139?: Medium severity. CVSS v3 base score is 6.1 out of 10.