CVE-2021-27909

MEDIUM6.3EPSS 18.7%

XSS vulnerability on password reset page

Published: 9/1/2021Modified: 3/13/2026

Description

### Impact For Mautic versions prior to 3.3.4, 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. ### Patches Upgrade to 3.3.4 or 4.0.0 ### Workarounds No ### References https://github.com/mautic/mautic/releases/tag/3.3.4 https://github.com/mautic/mautic/releases/tag/4.0.0 ### For more information If you have any questions or comments about this advisory: * Email us at [[email protected]](mailto:[email protected])

Affected packages (1)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1MEDIUM6.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

References (5)