CVE-2026-23573: SSL-VPN Reflected XSS

Published Jul 14, 2026
·
Updated

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiOS, FortiProxy, FortiPAM and FortiSwitch-Manager Agentless SSL-VPN may allow an authenticated remote user to execute code or commands via crafted requests.

Other sources

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.

— MITRE

Affected Software

18 affected componentsFixes available
Fortinet FortiOS>=7.6.0<=7.6.6
Fortinet FortiOS>=7.4
Fortinet FortiOS>=7.2
Fortinet FortiPAM=.
Fortinet FortiPAM>=1.7
Fortinet FortiPAM>=1.6
Fortinet FortiPAM>=1.5
Fortinet FortiPAM>=1.4
Fortinet FortiPAM>=1.3
Fortinet FortiPAM>=1.2
Fortinet FortiPAM>=1.1
Fortinet FortiPAM>=1.0
Fortinet FortiProxy>=7.4.0<=7.4.3
Fortinet FortiProxy>=7.2.0<=7.2.9
Fortinet FortiProxy>=7.2.0<7.2.10
Fortinet FortiProxy>=7.4.0<7.4.4
Fortinet FortiOS>=7.2.0<7.6.7
Fortinet FortiPAM>=1.0.0<1.8.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade FortiOS to a version that resolves this vulnerability.

    Fixed in 7.6.7
  2. Upgrade

    Upgrade FortiOS to a version that resolves this vulnerability.

    Fixed in 8.0.0
  3. Upgrade

    Upgrade FortiPAM to a version that resolves this vulnerability.

    Fixed in 1.8.1
  4. Upgrade

    Upgrade FortiPAM to a version that resolves this vulnerability.

    Fixed in 1.9.0
  5. Upgrade

    Upgrade FortiProxy to a version that resolves this vulnerability.

    Fixed in 7.0.17
  6. Upgrade

    Upgrade FortiProxy to a version that resolves this vulnerability.

    Fixed in 7.2.10
  7. Upgrade

    Upgrade FortiProxy to a version that resolves this vulnerability.

    Fixed in 7.4.4
  8. Upgrade

    Upgrade FortiSwitchManager to a version that resolves this vulnerability.

    Fixed in 7.0.3
  9. Upgrade

    Upgrade FortiSwitchManager to a version that resolves this vulnerability.

    Fixed in 7.2.5

Event History

Jul 14, 2026
Advisory Published
via FortiGuard·12:00 AM
Data Sourced
via FortiGuard·12:00 AM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·03:19 PM
Data Sourced
via MITRE·03:19 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·04:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-23573?

The severity of CVE-2026-23573 is rated as medium with a score of 6.1.

2

What type of vulnerability is CVE-2026-23573?

CVE-2026-23573 is a reflected cross-site scripting (XSS) vulnerability.

3

How can CVE-2026-23573 be exploited?

CVE-2026-23573 can be exploited by an authenticated remote user executing code via crafted requests.

4

What software is affected by CVE-2026-23573?

CVE-2026-23573 affects Fortinet FortiOS, FortiProxy, FortiPAM, and FortiSwitch-Manager Agentless SSL-VPN.

5

What mitigation steps can be taken for CVE-2026-23573?

Mitigation for CVE-2026-23573 involves applying the latest security updates from Fortinet.

Company

Resources

Contact

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