CVE-2021-27912

MediumCVSS 5.4/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
Mautic	Mautic	>= unspecified, < 3.3.4; >= unspecified, < 4.0.0

References

https://github.com/mautic/mautic/security/advisories/GHSA-rh5w-82wh-jhr8Patch, Third Party Advisory
https://github.com/mautic/mautic/security/advisories/GHSA-rh5w-82wh-jhr8Patch, Third Party Advisory

Timeline

Published: Aug 30, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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