Vulnerability identifier: #VU58272

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-2021-41182

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
jQuery UI
Web applications / JS libraries

Vendor: The jQuery Team

Description

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

The vulnerability exists due to insufficient sanitization of values passed as the `altField` option of the Datepicker widget. A remote attacker can inject and execute arbitrary JavaScript 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

jQuery UI: 1.5.1 - 1.12.1

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External links
http://github.com/jquery/jquery-ui/security/advisories/GHSA-9gj3-hwp5-pmwc
http://github.com/jquery/jquery-ui/pull/1954/commits/6809ce843e5ac4128108ea4c15cbc100653c2b63
http://blog.jqueryui.com/2021/10/jquery-ui-1-13-0-released/
http://security.netapp.com/advisory/ntap-20211118-0004/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O74SXYY7RGXREQDQUDQD4BPJ4QQTD2XQ/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SNXA7XRKGINWSUIPIZ6ZBCTV6N3KSHES/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NXIUUBRVLA4E7G7MMIKCEN75YN7UFERW/

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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.