Cyber Resilience

CVE-2023-2739

Medium

Published: 16 May 2023

Published
16 May 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS Score 0.0019 41.0th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-2739 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Gira Gira Home Server Firmware. Its CVSS base score is 4.3 (Medium).

Operationally, ranked at the 41.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability classified as problematic was found in Gira HomeServer up to 4.12.0.220829 beta. This vulnerability affects unknown code of the file /hslist. The manipulation of the argument lst with the input debug%27"><img%20src=x%20onerror=alert(document.cookie)> leads to cross site scripting. The attack…

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can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-229150 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

gira
gira home server firmware
≤ 4.12.0.220829

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References