Vulnerability record · CVE-2020-35125 · published 9 February 2021

CVE-2020-35125: Acquia mautic cross-site scripting vulnerability

AAcquia · Mautic

A cross-site scripting (XSS) vulnerability in the forms component of Mautic before 3.2.4 allows remote attackers to inject executable JavaScript via mautic[return] (a different attack method than CVE-2020-35124, but also related to the Referer concept).

9.6 CVSS 3.1 Critical EPSS 2.7% · top 14.7% CWE-79 · Cross-site scripting

9.6CVSS 3.1 base score, v2 6.8

2.7%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

8References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

AMautic Acquia

References

Link	Tags
https://forum.mautic.org/c/announcements/16	Vendor Advisory
https://github.com/mautic/mautic/security/advisories/GHSA-42q7-95j7-w62m	PatchThird Party Advisory
https://www.horizon3.ai/disclosures/mautic-unauth-xss-to-rce	ExploitTechnical DescriptionThird Party Advisory
https://www.mautic.org/blog/community/security-release-all-versions-mautic-prior-2-16-5-and-3-2-4	Release NotesVendor Advisory
https://forum.mautic.org/c/announcements/16	Vendor Advisory
https://github.com/mautic/mautic/security/advisories/GHSA-42q7-95j7-w62m	PatchThird Party Advisory
https://www.horizon3.ai/disclosures/mautic-unauth-xss-to-rce	ExploitTechnical DescriptionThird Party Advisory
https://www.mautic.org/blog/community/security-release-all-versions-mautic-prior-2-16-5-and-3-2-4	Release NotesVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-35125), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.