Cross-site scripting in vis-timeline package

1) Cross-site scripting

EUVDB-ID: #VU50100

Risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-28487

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

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. A remote authenticated 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

Install updates from vendor's website.

Vulnerable software versions

vis-timeline: 5.0.0 - 7.4.3

External links

http://github.com/visjs/vis-timeline/issues/838
http://github.com/visjs/vis-timeline/pull/840
http://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBVISJS-1063502
http://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1063501
http://snyk.io/vuln/SNYK-JS-VISTIMELINE-1063500

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. However, proof of concept for this vulnerability is available.