Cross-site scripting in Mautic - CVE-2020-35125
Published: January 14, 2021 / Updated: May 25, 2026
Vulnerability identifier: #VU132231
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2020-35125
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 gain unauthorized administrator-level access.
The vulnerability exists due to cross-site scripting in referrer handling when processing referrer data. A remote attacker can supply a crafted referrer value to gain unauthorized administrator-level access.
How to mitigate CVE-2020-35125
Install security update from vendor's website.