Cross-site scripting in Grafana

1) Cross-site scripting

EUVDB-ID: #VU26545

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/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 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 dashboard snapshots. A remote attacker 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

Grafana: 6.0.0 - 6.7.1

CPE2.3

• cpe:2.3:a:grafana_labs:grafana:6.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:grafana_labs:grafana:6.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:grafana_labs:grafana:6.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:grafana_labs:grafana:6.3.7:*:*:*:*:*:*:*
• cpe:2.3:a:grafana_labs:grafana:6.4.5:*:*:*:*:*:*:*
• cpe:2.3:a:grafana_labs:grafana:6.5.3:*:*:*:*:*:*:*
• cpe:2.3:a:grafana_labs:grafana:6.6.2:*:*:*:*:*:*:*
• cpe:2.3:a:grafana_labs:grafana:6.7.1:*:*:*:*:*:*:*

External links

https://github.com/grafana/grafana/releases/tag/v6.7.2
https://github.com/grafana/grafana/pull/23254/commits/7a5f6f6e9ba2ea20e8b931ec9c3a4d83db34cebc

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.