Self-XSS in cPanel

1) Cross-site scripting

EUVDB-ID: #VU101729

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 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*

External links

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

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.