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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,…

Medium6.1EPSS 1.1%
Published
Updated
Reserved
Assigned by
fortinet

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.

Scores

CVSS scores of CVE-2017-7739, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0Medium6.1CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS (exploitation in 30 days)
1.1% · top 35% of all CVEs (3 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.

Weakness

Affected products

  • Fortinet, Inc. · FortiOS

    • affected 5.6.0
    • affected 5.4.5, 5.4.4, 5.4.3, 5.4.2, 5.4.1, 5.4.0
    • affected 5.2.11, 5.2.10, 5.2.9, 5.2.8, 5.2.7, 5.2.6, 5.2.5, 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .