#VU96048 Cross-site scripting in Grafana - CVE-2024-6837

Vulnerability identifier: #VU96048

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-6837

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Grafana
Web applications / Other software

Vendor: Grafana Labs

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 "/swagger" endpoint. 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: before 10.4.7, 11.0.3, 11.1.4, 10.4.7, 10.4.7, 10.4.7

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External links
https://github.com/grafana/grafana/releases/tag/v11.1.4
https://github.com/grafana/grafana/releases/tag/v11.0.3
https://github.com/grafana/grafana/releases/tag/v10.4.7
https://grafana.com/blog/2024/08/14/grafana-security-release-medium-severity-security-fix-for-cve-2024-6837/

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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.