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CVE-2026-23573

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet…

Medium6.1EPSS 0.39%
Published
Updated
Reserved
Assigned by
fortinet

Description

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiPAM 1.8.0, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.4.0 through 7.4.3, FortiProxy 7.2.0 through 7.2.9 may allow an authenticated remote user to execute code or commands via crafted requests.

Scores

CVSS scores of CVE-2026-23573, by who scored it
Scored byCVSSScoreVector
fortinetCNA (assigner)3.1Medium6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C
NVDNVD · Modified3.1Medium6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS (exploitation in 30 days)
0.39% · top 67% of all CVEs (7 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 · FortiOS

    • affected 7.6.0 – ≤ 7.6.6
    • affected 7.4.0 – ≤ 7.4.12
    • affected 7.2.0 – ≤ 7.2.13
    • affected 7.0.0 – ≤ 7.0.19
    • affected 6.4.0 – ≤ 6.4.16

  • Fortinet · FortiProxy

    • affected 7.4.0 – ≤ 7.4.3
    • affected 7.2.0 – ≤ 7.2.9
    • affected 7.0.0 – ≤ 7.0.16

  • Fortinet · FortiPAM

    • affected 1.8.0
    • affected 1.7.0 – ≤ 1.7.2
    • affected 1.6.0 – ≤ 1.6.2
    • affected 1.5.0 – ≤ 1.5.1
    • affected 1.4.0 – ≤ 1.4.3
    • affected 1.3.0 – ≤ 1.3.1
    • affected 1.2.0
    • affected 1.1.0 – ≤ 1.1.2
    • affected 1.0.0 – ≤ 1.0.3

What to do

Solution: Upgrade to FortiOS version 8.0.0 or above Upgrade to FortiOS version 7.6.7 or above Upgrade to FortiProxy version 7.4.4 or above Upgrade to FortiProxy version 7.2.10 or above Upgrade to FortiProxy version 7.0.17 or above Upgrade to FortiPAM version 1.9.0 or above Upgrade to FortiPAM version 1.8.1 or above Fortinet remediated this issue in FortiSASE version 26.1.1 and hence customers do not need to perform any action. Upgrade to FortiSwitchManager version 7.2.5 or above Upgrade to FortiSwitchManager version 7.0.3 or above

References (2)

Sources

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

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Record last updated .