{"id":"CVE-2020-21054","details":"Cross Site Scripting (XSS) vulnerability in FusionPBX 4.5.7 allows remote malicious users to inject arbitrary web script or HTML via an unsanitized \"f\" variable in app\\vars\\vars_textarea.php.","modified":"2026-03-14T10:17:57.725550Z","published":"2021-05-20T16:15:07.767Z","references":[{"type":"ADVISORY","url":"https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-xss-21/"},{"type":"FIX","url":"https://github.com/fusionpbx/fusionpbx/commit/2489004c7b7e0b14e21cd86cedaab87fed209415"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/fusionpbx/fusionpbx","events":[{"introduced":"0"},{"fixed":"2489004c7b7e0b14e21cd86cedaab87fed209415"}]},{"type":"GIT","repo":"https://github.com/fusionpbx/fusionpbx","events":[{"introduced":"0"},{"fixed":"2489004c7b7e0b14e21cd86cedaab87fed209415"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-21054.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.5.7"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}