What is CVE-2019-15706?

CVE-2019-15706 is a medium-severity vulnerability in Fortinet Fortios, classified under Cross-site Scripting. CVSS score: 4.1/10. Published 2025-03-17.

How severe is CVE-2019-15706?

Medium severity. CVSS v3 base score is 4.1 out of 10.

XSS in Fortinet Fortios

CVE-2019-15706

An improper neutralization of input during web page generation in the SSL VPN portal of FortiProxy version 2.0.0, version 1.2.9 and below and FortiOS version 6.2.1 and below, version 6.0.8 and below, version 5.6.12 may allow a remote authenticated attacker to perform a stored cross site scripting attack (XSS).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (33.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N.

Affected products

Fortinet Fortios — versions 6.2.0, 6.0.0, 5.6.12
Fortinet Fortiproxy — versions 2.0.0, 1.2.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

psirt@fortinet.com (Vendor Advisory)

Frequently asked questions

What is CVE-2019-15706?: CVE-2019-15706 is a medium-severity vulnerability in Fortinet Fortios, classified under Cross-site Scripting. CVSS score: 4.1/10. Published 2025-03-17.
How severe is CVE-2019-15706?: Medium severity. CVSS v3 base score is 4.1 out of 10.