Vulnerability · Published Aug 30, 2021 · Assigned by Mautic

CVE-2021-27912XSS vulnerability on asset view

High 7.1

In plain English

A high-severity cross-site scripting in Mautic from Mautic. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.6%top 50.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Mautic versions before 3.3.4/4.0.0 are vulnerable to an inline JS XSS attack when viewing Mautic assets by utilizing inline JS in the title and adding a broken image URL as a remote asset. This can only be leveraged by an authenticated user with permission to create or edit assets.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistmautic/core3.3.4GHSA-rh5w-82wh-jhr8
Packagistmautic/core4.0.0GHSA-rh5w-82wh-jhr8

Affected products (as reported)

VendorProductVersions
Mautic Mautic unspecified – before 3.3.4unspecified – before 4.0.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

References