#VU77312 Cross-site scripting in IBM WebSphere Application Server Liberty - CVE-2019-4663

Vulnerability identifier: #VU77312

Vulnerability risk: Medium

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:Green]

CVE-ID: CVE-2019-4663

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IBM WebSphere Application Server Liberty
Server applications / Application servers

Vendor: IBM Corporation

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied data. The vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

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
Install update from vendor's website.

Vulnerable software versions

IBM WebSphere Application Server Liberty: 17.0.0.0 - 19.0.0.10

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External links
https://exchange.xforce.ibmcloud.com/vulnerabilities/171245
https://www.ibm.com/support/pages/node/1127367

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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.