TI-2020-17840 Aliases CVE-2020-35128 GHSA-98j2-3jv7-274m

Mautic before 3.2.4 is affected by stored XSS.

MEDIUM 42CWE-79Published 2021-01-19 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

Mautic before 3.2.4 is affected by stored XSS. An attacker with permission to manage companies, an application feature, could attack other users, including administrators. For example, by loading an externally crafted JavaScript file, an attacker could eventually perform actions as the target user. These actions include changing the user passwords, altering user or email addresses, or adding a new administrator to the system.

Why it matters now

EPSS 0.01674 76th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed mautic/core (Packagist): 3.2.4, 2.16.5

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA
—	mautic/core (Packagist)	3.2.0 to before 3.2.4	3.2.4	Patch available	GHSA-98j2-3jv7-274m
—	mautic/core (Packagist)	2.0.0 to before 2.16.5	2.16.5	Patch available	GHSA-98j2-3jv7-274m

— Vendor— Affected all versions Fixed in — No fix listed CNA
mautic/core (Packagist) Vendor— Affected 3.2.0 to before 3.2.4 Fixed in 3.2.4 Patch available GHSA-98j2-3jv7-274m
mautic/core (Packagist) Vendor— Affected 2.0.0 to before 2.16.5 Fixed in 2.16.5 Patch available GHSA-98j2-3jv7-274m

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:acquia:mautic::::::::	2.0.0 to before 2.16.5; 3.2.0 to before 3.2.4	Vulnerable	Acquia

cpe:2.3:a:acquia:mautic:*:*:*:*:*:*:*:* Versions 2.0.0 to before 2.16.5; 3.2.0 to before 3.2.4 Vulnerable ·Acquia

Remediation

Fix · GHSA-98j2-3jv7-274m mautic/core (Packagist) Fixed in 3.2.4 Advisory →
Fix · GHSA-98j2-3jv7-274m mautic/core (Packagist) Fixed in 2.16.5 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2020-35128
2026-10-03 Alias added: GHSA-98j2-3jv7-274m

References

Exploit 1

https://forum.mautic.org/t/security-release-for-all-versions-of-mautic-prior-to-2-16-5-and-3-2-4/17786

Advisory 3

Other 1

https://github.com/mautic/mautic

TI-2022-09344 Cross-site scripting in Mautic CVSS 3.1CRITICAL 9.6
TI-2024-31435 Remote Code Execution & File Deletion in Asset Uploads CVSS 3.1CRITICAL 9.9
TI-2020-17837 A cross-site scripting (XSS) vulnerability in the forms component of Mautic before 3.2.4… CVSS 3.1CRITICAL 9.6
TI-2020-17836 A cross-site scripting (XSS) vulnerability in the assets component of Mautic before 3.2.4… CVSS 3.1CRITICAL 9.6
TI-2022-09342 Improper regex in htaccess file CVSS 3.1CRITICAL 9.1
TI-2021-09250 XSS Cross-site Scripting Stored (XSS) - Description field CVSS 3.1CRITICAL 9.0

See all 34 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences