#VU17360 Cross-site scripting in Tenable Nessus - CVE-2019-3923

Vulnerability identifier: #VU17360

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/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-2019-3923

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Tenable Nessus
Client/Desktop applications / Software for system administration

Vendor: Tenable Network Security

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
Update to version 8.2.2.

Vulnerable software versions

Tenable Nessus: 6.0.0 - 8.2.1

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External links
https://www.tenable.com/security/tns-2019-01

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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.