#VU31409 Cross-site scripting in jsoup - CVE-2015-6748

Vulnerability identifier: #VU31409

Vulnerability risk: Low

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

CVE-ID: CVE-2015-6748

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
jsoup
Web applications / JS libraries

Vendor: Jonathan Hedley

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied data in jsoup before 1. 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 1.8.3.

Vulnerable software versions

jsoup: 1.8.1 - 1.8.2

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External links
https://www.openwall.com/lists/oss-security/2015/08/28/5
https://www.securityfocus.com/bid/76504
https://bugzilla.redhat.com/show_bug.cgi?id=1258310
https://github.com/jhy/jsoup/pull/582
https://hibernate.atlassian.net/browse/HV-1012
https://issues.jboss.org/browse/WFLY-5223?_sscc=t
https://lists.debian.org/debian-lts-announce/2020/01/msg00021.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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