#VU59069 Cross-site scripting in select2


Published: 2021-12-20

Vulnerability identifier: #VU59069

Vulnerability risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-10744

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
select2
Web applications / JS libraries

Vendor: Kevin Brown

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 rich selectlists. 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
Install updates from vendor's website.

Vulnerable software versions

select2: 1.0.0 - 4.0.6


External links
http://github.com/select2/select2/issues/4587
http://github.com/snipe/snipe-it/pull/6831
http://github.com/snipe/snipe-it/pull/6831/commits/5848d9a10c7d62c73ff6a3858edfae96a429402a


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.


Latest bulletins with this vulnerability