{"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":"2026-07-08T05:57:24.964272412Z","published":"2021-05-20T16:15:07.767Z","database_specific":{"unresolved_ranges":[{"vendor_product":"fusionpbx:fusionpbx","cpes":["cpe:2.3:a:fusionpbx:fusionpbx:4.5.7:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"4.5.7"},{"last_affected":"4.5.7"}],"source":"CPE_STRING"}]},"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"}],"database_specific":{"source":"REFERENCES"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-21054.json"}}],"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"}]}