CVE-2025-34174Network attack vector

Stored XSS via unsanitized start-day default

Published Sep 9, 2025 · Updated Sep 9, 2025

Stored XSS in Netgate pfSense CE Status_Traffic_Totals 2.3.2_7 allows remote authenticated users to run scripts in other users' browsers. The status_traffic_totals.php page saves the unvalidated start-day POST value as a default and later inserts it directly into an input value attribute without encoding. Access requires WebCfg - Status: Traffic Totals permission, and execution occurs when another user opens the affected page.

CVSS severity5.1
Medium
EPSS probability10.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Netgate pfSense CE Status_Traffic_Totals 2.3.2_7 allows remote authenticated users to run scripts in other users' browsers. The status_traffic_totals.php page saves the unvalidated start-day POST value as a default and later inserts it directly into an input value attribute without encoding. Access requires WebCfg - Status: Traffic Totals permission, and execution occurs when another user opens the affected page.

The record

CVE
CVE-2025-34174
Published
Sep 9, 2025
Updated
Sep 9, 2025
Vendor
Netgate
Product
pfSense CE
Classifications
CWE-79, CAPEC-592, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 9, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 9, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.3.2_7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Netgate · pfSense CEversion=2.3.2_7

Published CVSS scores

5.1VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1059.007Command and Scripting Interpreter: JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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