CVE-2022-23438: XSS
First published: Mon Jul 18 2022(Updated: )
An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability in FortiOS version 7.0.5 and prior and 6.4.9 and prior may allow an unauthenticated remote attacker to perform a reflected cross site scripting (XSS) attack in the captive portal authentication replacement page.
Credit: psirt@fortinet.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FortiOS | <=6.4.9 | |
| FortiOS | >=7.0.0<=7.0.5 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2022-23438?
CVE-2022-23438 is rated as a high severity vulnerability due to its potential for reflected cross-site scripting attacks.
How do I fix CVE-2022-23438?
To fix CVE-2022-23438, upgrade your FortiOS to version 6.4.10 or later or 7.0.6 or later.
What types of attacks can CVE-2022-23438 facilitate?
CVE-2022-23438 can facilitate reflected cross-site scripting (XSS) attacks, allowing attackers to execute scripts in the context of the victim's browser.
Which versions of FortiOS are affected by CVE-2022-23438?
CVE-2022-23438 affects FortiOS versions 6.4.9 and prior as well as 7.0.5 and prior.
Is authentication required to exploit CVE-2022-23438?
No, CVE-2022-23438 can be exploited by unauthenticated remote attackers.
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- version/fortios/6.4.9
- version/fortios/7.0.0
- version/fortios/7.0.5