#VU101729 Cross-site scripting in cPanel

Vulnerability identifier: #VU101729

Vulnerability risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
cPanel
Web applications / Remote management & hosting panels

Vendor: cPanel, Inc

Description

The vulnerability allows a remote attacker to perform self-XSS attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within the webdiskvbs.cgi script. A remote attacker can trick the victim into injecting a specially crafted payload into a specific form and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

cPanel: before 11.110.0.50

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External links
https://news.cpanel.com/tsr-2024-0002-full-disclosure/

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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.