CVE-2021-27911

Mautic versions before 3.3.4/4.0.0 are vulnerable to an inline JS XSS attack through the contact's first or last name and triggered when viewing a contact's details page then clicking on the action drop down and hovering over the Campaigns button. Contact first and last name can be populated from different sources such as UI, API, 3rd party syncing, forms, etc.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
MauticCNA
8.3 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
Affected Products (NVD)
VendorProductVersion
acquiamautic
𝑥
< 3.3.4
acquiamautic
4.0.0:alpha1
acquiamautic
4.0.0:beta
acquiamautic
4.0.0:rc
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
mauticmautic
𝑥
< 3.3.4
CNA
mauticmautic
𝑥
< 4.0.0
CNA
Common Weakness Enumeration
References
https://github.com/mautic/mautic/security/advisories/GHSA-72hm-fx78-xwhc
https://github.com/mautic/mautic/security/advisories/GHSA-72hm-fx78-xwhc