XSS vulnerability on password reset page
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 security@mautic.org
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | mautic/core | < 3.3.4, >= 4.0.0-alpha1, < 4.0.0 | 3.3.4, 4.0.0 |
References
- https://github.com/mautic/mautic/security/advisories/GHSA-32hw-3pvh-vcvc
- https://nvd.nist.gov/vuln/detail/CVE-2021-27909
- https://github.com/mautic/mautic/commit/942cb6992df619fdf1c181bfad9e25d5d4178b6f
- https://github.com/FriendsOfPHP/security-advisories/blob/master/mautic/core/CVE-2021-27909.yaml
- https://github.com/mautic/mautic
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L- Weakness (CWE)
CWE-79- Platform
- Composer
- Package
mautic/core- Disclosed
- 01.09.2021
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-32hw-3pvh-vcvc - CC BY 4.0
Vulnerability history: mautic/core
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 57
- First → latest
- 01.2021 07.2026
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- Critical 9
- High 17
- Medium 29
- Low 2
Disclosures per year
- 2021: 16
- 2022: 7
- 2023: 0
- 2024: 13
- 2025: 13
- 2026: 8
-
XSS vulnerability on password reset page this entry
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