UpHeron
All vulnerabilities

Servers and applications

CVE-2017-7739

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.

Severity
Medium 6.1
Published
13 Nov 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.1% in the next 30 daysHigher than 65% of CVEs. EPSS by FIRST, 11 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiOSServers and applications · cpe:o:fortinet:fortios
  • Version 5.6.0
  • Version 5.4.5
  • Version 5.4.4
  • Version 5.4.3
All 19 release lines
  • Version 5.2.0
  • Version 5.2.1
  • Version 5.2.2
  • Version 5.2.3
  • Version 5.2.4
  • Version 5.2.5
  • Version 5.2.6
  • Version 5.2.7
  • Version 5.2.8
  • Version 5.2.9
  • Version 5.2.10
  • Version 5.2.11
  • Version 5.4.0
  • Version 5.4.1
  • Version 5.4.2
  • Version 5.4.3
  • Version 5.4.4
  • Version 5.4.5
  • Version 5.6.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-7739
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-7739