Vulnerability identifier: #VU61050

Vulnerability risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-0838

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Hestia Control Panel
Client/Desktop applications / Other client software

Vendor: Hestia Control Panel

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 the add domain function. A remote user 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
Install updates from vendor's website.

Vulnerable software versions

Hestia Control Panel: 1.0.1 - 1.5.9

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External links
http://github.com/hestiacp/hestiacp/commit/640f822d306ffb3eddf8ce2f46de75d7344283c1
http://huntr.dev/bounties/bd2fb1f1-cc8b-4ef7-8e2b-4ca686d8d614

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.