All vulnerabilities

Servers and applications

CVE-2021-27909

XSS vulnerability on password reset page

Severity
Medium 6.1
Published
30 Aug 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.3.4
Also known as
GHSA-32hw-3pvh-vcvc
Sources
NVD, Project advisories (GitHub)

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.

Affected software

SoftwareAffected versions
MauticServers and applications · cpe:a:acquia:mautic
  • Every version before 3.3.4
  • Version 4.0.0-alpha1
  • Version 4.0.0-beta
  • Version 4.0.0-rc
MauticServers and applications · github:mautic/mautic
  • Every version before 3.3.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-27909
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-27909
  • GitHub Advisory Database https://github.com/advisories/GHSA-32hw-3pvh-vcvc
  • github.com https://github.com/mautic/mautic/security/advisories/GHSA-32hw-3pvh-vcvc