Is CVE-2025-34315 in the CISA KEV catalog?

No. CVE-2025-34315 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-34315?

CVE-2025-34315 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2025-34315?

CVE-2025-34315 has an EPSS score of 0.45% (36th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-34315?

Upgrade ipfire to 2.29 or later.

CVE & CISA-KEV Catalog

CVE-2025-34315

MEDIUM

5.4

CVSS v3

NVD

Description

IPFire versions prior to 2.29 (Core Update 198) contain a stored cross-site scripting (XSS) vulnerability that allows an authenticated attacker to inject arbitrary JavaScript code through the REMOTELOG_ADDR parameter when updating the remote syslog server address. When a user updates the Remote logging Syslog server, the application issues an HTTP POST request to /cgi-bin/logs.cgi/config.dat and the server address is provided in the REMOTELOG_ADDR parameter. The value of this parameter is stored and later rendered in the web interface without proper sanitation or encoding, allowing injected scripts to execute in the context of other users who view the affected configuration page.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

ipfireNVD

Affected:< 2.29Fixed in:2.29CVE-2025-34315derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

0.45%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Third-Party Advisory2

Release Notes1

ipfire.org

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.