Medium severity6.3NVD Advisory· Published Aug 30, 2021· Updated Jun 17, 2026
CVE-2021-27909
CVE-2021-27909
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
mautic/corePackagist | < 3.3.4 | 3.3.4 |
mautic/corePackagist | >= 4.0.0-alpha1, < 4.0.0 | 4.0.0 |
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/mautic/mautic/security/advisories/GHSA-32hw-3pvh-vcvcnvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-32hw-3pvh-vcvcghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-27909ghsaADVISORY
- github.com/FriendsOfPHP/security-advisories/blob/master/mautic/core/CVE-2021-27909.yamlghsaWEB
- github.com/mautic/mautic/commit/942cb6992df619fdf1c181bfad9e25d5d4178b6fghsaWEB
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