GHSA-39wj-j3jc-858m XSS vulnerability leveraged through referrers could allow un-authorized admin access in Mautic

• Packagist mautic/core: >= 3.0.0, < 3.2.4 → fixed in 3.2.4 • Packagist mautic/core: >= 2.0.0, < 2.16.5 → fixed in 2.16.5

Impact This is a cross-site scripting vulnerability which affects every version of Mautic and could allow an attacker unauthorised administrator level access to Mautic. This vulnerability was reported by Naveen Sunkavally at Horizon3.ai. Patches Upgrade to 3.2.4 or 2.16.5. Link to patch for 2.x versions: https://github.com/mautic/mautic/compare/2.16.4...2.16.5.diff Link to patch for 3.x versions: https://github.com/mautic/mautic/compare/3.2.2...3.2.4.diff Workarounds None For more information If you have any questions or comments about this advisory: • Post in https://forum.mautic.org/c/support • Email us at [email protected]