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Fencer Vulns
medium 4.3

CVE-2023-2739 json

Gira HomeServer hslist cross site scripting

published 2023-05-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-34200

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

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 vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CNA 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CNA 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Gira HomeServer

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.