#VU83972 Stored cross-site scripting in Yamcs - CVE-2023-46470

Vulnerability identifier: #VU83972

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-46470

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Yamcs
Server applications / Frameworks for developing and running applications

Vendor: Space Applications Services

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 timeline view of the ArchiveBrowser. A remote attacker can inject 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
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Yamcs: 5.8.6

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External links
https://www.linkedin.com/pulse/more-xss-clickjacking-yamcs-v586-visionspace-technologies-uvevf

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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.