What is CVE-2018-20663?

CVE-2018-20663 is a medium-severity vulnerability in Haulmont Cuba Platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-01-03.

How severe is CVE-2018-20663?

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

XSS in Haulmont Cuba Platform

CVE-2018-20663

The Reporting Addon (aka Reports Addon) through 2019-01-02 for CUBA Platform through 6.10.x has Persistent XSS via the "Reports > Reports" name field.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-01-03 · 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 (50.0th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.0% 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

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/cuba-platform/reports/issues/140 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-20663?: CVE-2018-20663 is a medium-severity vulnerability in Haulmont Cuba Platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-01-03.
How severe is CVE-2018-20663?: Medium severity. CVSS v3 base score is 5.4 out of 10.