XSS in Acquia Mautic

CVE-2020-35124

A cross-site scripting (XSS) vulnerability in the assets component of Mautic before 3.2.4 allows remote attackers to inject executable JavaScript through the Referer header of asset downloads.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.024 (82.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-35124?
CVE-2020-35124 is a critical-severity vulnerability in Acquia Mautic, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2021-01-28.
How severe is CVE-2020-35124?
Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2020-35124 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.