{"action":"Upgrade mautic/core to 3.3.4 or later.","affected":[{"fixed":"3.3.4","introduced":"0"},{"fixed":"4.0.0","introduced":"4.0.0-alpha1"}],"component":"mautic/core","cve_ids":["CVE-2021-27909"],"ecosystem":"Packagist","epss":0.04067,"exploited":false,"fixed_versions":["3.3.4","4.0.0"],"ghsa_id":"GHSA-32hw-3pvh-vcvc","id":"tcs_01M5KESF1281AFTV6K4JYVSQ5S","modified_at":"2026-07-08T06:27:33.291964950Z","published_at":"2021-09-01T18:40:56Z","references":["https://osv.dev/vulnerability/GHSA-32hw-3pvh-vcvc","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"],"severity":{"label":"medium","score":6.3},"sources":[{"source":"osv","source_id":"GHSA-32hw-3pvh-vcvc","url":"https://osv.dev/vulnerability/GHSA-32hw-3pvh-vcvc"}],"summary":"XSS vulnerability on password reset page"}