What is CVE-2018-11198?

CVE-2018-11198 is a medium-severity vulnerability in Acquia Mautic, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-09-06.

How severe is CVE-2018-11198?

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

XSS in Acquia Mautic

CVE-2018-11198

An issue was discovered in Mautic 2.13.1. There is Stored XSS via the authorUrl field in config.json.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-09-06 · 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: 0.009 (58.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% 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

Acquia Mautic — versions 2.13.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/mautic/mautic/releases (Third Party Advisory, Release Notes)
github.com/mautic/mautic/releases/tag/2.14.0 (Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2018-11198?: CVE-2018-11198 is a medium-severity vulnerability in Acquia Mautic, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-09-06.
How severe is CVE-2018-11198?: Medium severity. CVSS v3 base score is 6.1 out of 10.