CVE-2026-23573
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
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.
Weakness: CWE-79
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Fortinet | FortiOS | Firewall / NGFW | cna-assigner |
| Fortinet | FortiPAM | Identity / IAM / MFA | cna-assigner |
| Fortinet | FortiProxy | SASE / SSE / Secure Web | cna-assigner |
Vendor-reported products (4)
- Fortinet · FortiOS
- Fortinet · FortiProxy
- Fortinet · FortiPAM
- Siemens · RUGGEDCOM APE1808
Credit
Fortinet is pleased to thank The UK's National Cyber Security Centre (NCSC) for reporting this vulnerability under responsible disclosure.
Vendor remediation
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