Unsanitized c Variable in FusionPBX conference_interactive.php Leads to XSS Vulnerability

CVE-2019-16989 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

In FusionPBX up to v4.5.7, the file app\conferences_active\conference_interactive.php uses an unsanitized "c" variable coming from the URL, which is reflected in HTML, leading to XSS.

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