#VU80757 Cross-site scripting in jQuery - CVE-2020-23064

Vulnerability identifier: #VU80757

Vulnerability risk: Medium

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:Green]

CVE-ID: CVE-2020-23064

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
jQuery
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 user-supplied data in jQuery 2. 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
Cybersecurity Help is currently unaware of any official solution to address this vulnerability..

Vulnerable software versions

jQuery: 2.2.2 - 3.4.1

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External links
https://blog.jquery.com/2020/04/10/jquery-3-5-0-released/
https://snyk.io/vuln/SNYK-JS-JQUERY-565129
https://security.netapp.com/advisory/ntap-20230725-0003/

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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.