CVE-2021-27912

XSS vulnerability on asset view

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.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.39%
Third-Party Advisory github.com
Affected: Mautic Mautic
Published at:
Updated at:

References

Link Tags
https://github.com/mautic/mautic/security/advisories/GHSA-rh5w-82wh-jhr8 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-27912?
CVE-2021-27912 has been scored as a high severity vulnerability.
How to fix CVE-2021-27912?
To fix CVE-2021-27912, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27912 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27912 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-27912?
CVE-2021-27912 affects Mautic Mautic.
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