Cross-site scripting in Mautic - CVE-2018-11198
Published: January 19, 2021 / Updated: May 25, 2026
Vulnerability identifier: #VU132226
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-11198
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mautic
Affected software:
Mautic
Mautic
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary script code in a victim's browser.
The vulnerability exists due to cross-site scripting in the author URL field of themes when rendering theme metadata. A remote attacker can supply a crafted author URL value to execute arbitrary script code in a victim's browser.
How to mitigate CVE-2018-11198
Install security update from vendor's website.