CVE-2017-7739

MEDIUM

FortiOS 5.2.0-5.2.11, 5.4.0-5.4.5, 5.6.0 - Unauthenticated Reflected Cross-Site Scripting via Web Proxy Disclaimer Page

Title source: llm
STIX 2.1

Description

A reflected Cross-site Scripting (XSS) vulnerability in web proxy disclaimer response web pages in Fortinet FortiOS 5.6.0, 5.4.0 to 5.4.5, 5.2.0 to 5.2.11 allows an unauthenticated attacker to inject arbitrary web script or HTML in the context of the victim's browser via sending a maliciously crafted URL to the victim.

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/101679
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039741
Issue Tracking, Vendor Advisory x_refsource_confirm
https://fortiguard.com/advisory/FG-IR-17-168

Scores

CVSS v3 6.1
EPSS 0.0074
EPSS Percentile 73.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (22)
fortinet/fortios 5.2.0
fortinet/fortios 5.2.1
fortinet/fortios 5.2.2
fortinet/fortios 5.2.3
fortinet/fortios 5.2.4
fortinet/fortios 5.2.5
fortinet/fortios 5.2.6
fortinet/fortios 5.2.7
fortinet/fortios 5.2.8
fortinet/fortios 5.2.9
... and 12 more
Published Nov 13, 2017
Tracked Since Feb 18, 2026