CVE-2017-7739: XSS

Published Nov 13, 2017
·
Updated

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.

Affected Software

19 affected components
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
Fortinet FortiOS=5.2.10
Fortinet FortiOS=5.2.11
Fortinet FortiOS=5.4.0
Fortinet FortiOS=5.4.1
Fortinet FortiOS=5.4.2
Fortinet FortiOS=5.4.3
Fortinet FortiOS=5.4.4
Fortinet FortiOS=5.4.5
Fortinet FortiOS=5.6.0

Event History

Nov 13, 2017
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
DescriptionWeakness

Frequently Asked Questions

1

What is the severity of CVE-2017-7739?

CVE-2017-7739 is classified as a reflected Cross-site Scripting (XSS) vulnerability.

2

How do I fix CVE-2017-7739?

To fix CVE-2017-7739, update Fortinet FortiOS to a version that addresses the vulnerability, preferably 5.6.1 or later.

3

What systems are affected by CVE-2017-7739?

CVE-2017-7739 affects Fortinet FortiOS versions 5.2.0 to 5.2.11, 5.4.0 to 5.4.5, and 5.6.0.

4

Can CVE-2017-7739 be exploited remotely?

Yes, CVE-2017-7739 can be exploited remotely by an unauthenticated attacker sending a specially crafted request.

5

What are the potential impacts of CVE-2017-7739?

Exploitation of CVE-2017-7739 could allow attackers to inject arbitrary web scripts or HTML into the victim's browser.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203