CVE-2024-3448: Improper Access Control Leads to Server-Side Request Forgery in Mautic

Severity: medium (CVSS 5.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-10 · updated 2026-06-17
Weakness: CWE-918

Description

Users with low privileges can perform certain AJAX actions. In this vulnerability instance, improper access to ajax?action=plugin:focus:checkIframeAvailability leads to a Server-Side Request Forgery by analyzing the error messages returned from the back-end. Allowing an attacker to perform a port scan in the back-end. At the time of publication of the CVE no patch is available.

Affected products

Mautic: through 4.4.9

References

https://huntr.com/bounties/4d72d300-92d6-4e3c-93d8-52fe47396ae0
https://huntr.com/bounties/4d72d300-92d6-4e3c-93d8-52fe47396ae0

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