Exploitation Summary
CVE-2021-27909 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.
Description
For Mautic versions prior to 3.3.4/4.0.0, there is an XSS vulnerability on Mautic's password reset page where a vulnerable parameter, "bundle," in the URL could allow an attacker to execute Javascript code. The attacker would be required to convince or trick the target into clicking a password reset URL with the vulnerable parameter utilized.
Nuclei Templates (1)
Mautic <3.3.4 - Cross-Site Scripting
MEDIUMVERIFIEDby kiransau
Shodan:
title:"Mautic" || http.title:"mautic"
FOFA:
title="mautic"
References (1)
Core 1
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/mautic/mautic/security/advisories/GHSA-32hw-3pvh-vcvc
Scores
CVSS v3
6.3
EPSS
0.0386
EPSS Percentile
88.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Details
CWE
CWE-79
Status
published
Products (3)
acquia/mautic
4.0.0 alpha1 (3 CPE variants)
acquia/mautic
< 3.3.4
mautic/core
0 - 3.3.4Packagist
Published
Aug 30, 2021
Tracked Since
Feb 18, 2026