CVE-2023-2739: A vulnerability classified as problematic was found in Gira HomeServer up to 4.12.0.220829 beta

Q: How do I fix CVE-2023-2739?

gira home server firmware: upgrade to newer than 4.12.0.220829. Exact commands for each OS are on this page.

Q: Is CVE-2023-2739 being exploited?

CVE-2023-2739 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-2739 affect?

CVE-2023-2739 affects gira home server firmware. Severity is medium (CVSS 4.3). 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%20onerr

Q: How urgent is CVE-2023-2739?

Priority 25/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2023-2739 is a medium-severity flaw (CVSS 4.3) affecting gira home server firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-229150 is the identifier assigned to this vulner

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-05-16
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: gira

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-05-16 16:15 UTCPublished CVE record published
2026-06-17 05:53 UTCUpdated Record last modified

gira gira home server firmware UPGRADE

Affected: <= 4.12.0.220829

Fixed in: newer than 4.12.0.220829

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-2739?

gira home server firmware: upgrade to newer than 4.12.0.220829. Exact commands for each OS are on this page.

Is CVE-2023-2739 being exploited?

CVE-2023-2739 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-2739 affect?

CVE-2023-2739 affects gira home server firmware. Severity is medium (CVSS 4.3). 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%20onerr

How urgent is CVE-2023-2739?

Priority 25/100. No elevated risk signals yet.

References

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