#VU13869 Cross-site scripting in Palo Alto PAN-OS - CVE-2018-9335

Vulnerability identifier: #VU13869

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-9335

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Palo Alto PAN-OS
Operating systems & Components / Operating system

Vendor: Palo Alto Networks, Inc.

Description
The disclosed vulnerability allows a remote authenticated attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
The vulnerability is fixed in the versions 6.1.21, 7.1.17, 8.0.10, 8.1.2.

Vulnerable software versions

Palo Alto PAN-OS: 6.1.0 - 6.1.19, 7.1.0 - 7.1.14, 8.0.0 - 8.0.9, 8.1.1

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External links
https://securityadvisories.paloaltonetworks.com/Home/Detail/126

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.