Vulnerability identifier: #VU99261
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:
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
DOMPurify
Web applications /
Modules and components for CMS
Vendor: Cure53
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 attacker can pass specially crafted input to the application 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
DOMPurify: 2.0.0 - 3.1.2
External links
http://github.com/cure53/DOMPurify/security/advisories/GHSA-gx9m-whjm-85jf
http://github.com/cure53/DOMPurify/commit/0ef5e537a514f904b6aa1d7ad9e749e365d7185f
http://github.com/cure53/DOMPurify/commit/6ea80cd8b47640c20f2f230c7920b1f4ce4fdf7a
http://github.com/cure53/DOMPurify/blob/0ef5e537a514f904b6aa1d7ad9e749e365d7185f/test/test-suite.js#L2098
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.