Stored XSS in SonicOS SSL-VPN portal

1) Stored cross-site scripting

EUVDB-ID: #VU87483

Risk: Low

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-22397

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 user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within the SSL-VPN Portal. A remote privileged user can permanently inject and execute arbitrary HTML and script code in user's browser when a specific URL is open.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SonicOS: before 7.1.1-7051

External links

http://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0005

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.