CVE-2025-34177

MEDIUMNVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2025-09-09. NVD baseline CVSS 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 5.4Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

In pfSense CE /suricata/suricata_flow_stream.php, the value of the policy_name parameter is not sanitized of HTML-related strings/characters before being directly displayed. This can result in stored cross-site scripting. The attacker must be authenticated with at least "WebCfg - Services: suricata package" permissions.

CVSS v3
5.4
EG Score
5.4(medium)
EG Risk
25(Track)
EG Risk 25/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity54% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
53%
KEV
Not listed

Published

September 9, 2025

Last Modified

July 14, 2026

Advisory Details (3)

Auto-updated Jul 19, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

Netgate pfSense Plus/CE Suricata package <= 7.0.8_2 Stored XSS | Advisories | VulnCheck

https://www.vulncheck.com/advisories/netgate-pf-sense-ce-suricata-stored-xss
generic

Bug #16414: Multiple potential vulnerabilities in the Suricata package - pfSense Packages - pfSense bugtracker

https://redmine.pfsense.org/issues/16414
github_commit

commit 97852ccfd201 (pfsense/FreeBSD-ports)

Fix landed in pfsense/FreeBSD-ports commit 97852ccfd201 — awaiting tagged release

https://github.com/pfsense/FreeBSD-ports/commit/97852ccfd201b24ee542be30af81272485fde0b4

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 41× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 106 total refreshes for this CVE.

  1. 2026-08-07 16:26 UTCEPSS rescore
  2. 2026-08-06 13:46 UTCEPSS rescore
  3. 2026-08-04 15:09 UTCEPSS rescore
  4. 2026-08-04 10:37 UTCEPSS rescore
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  14. 2026-07-24 14:17 UTCEPSS rescore
  15. 2026-07-23 20:41 UTCOSV refresh
  16. 2026-07-23 02:54 UTCEG score recompute
  17. 2026-07-22 14:07 UTCEPSS rescore
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  19. 2026-07-21 15:24 UTCEPSS rescore
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  1. 2026-07-18 10:04 UTCEPSS rescore
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  3. 2026-07-15 16:57 UTCEPSS rescore
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  5. 2026-07-15 01:59 UTCEPSS rescore
  6. 2026-07-15 01:59 UTCEPSS rescore
  7. 2026-07-14 23:23 UTCNVD updateCVSS v3 → 5.4
  8. 2026-07-14 22:45 UTCMITRE cvelistV5CVSS v3 → 5.1
  9. 2026-07-13 22:29 UTCEPSS rescore
  10. 2026-07-13 22:29 UTCEPSS rescore
  11. 2026-07-13 06:12 UTCEPSS rescore
  12. 2026-07-12 05:46 UTCEPSS rescore
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  17. 2026-07-07 13:45 UTCEPSS rescore
  18. 2026-07-06 16:27 UTCEPSS rescore
  19. 2026-07-06 16:27 UTCEPSS rescore
  20. 2026-07-06 15:01 UTCOSV refresh
  21. 2026-07-06 02:23 UTCEPSS rescore
  22. 2026-07-05 02:30 UTCEPSS rescore
  23. 2026-07-04 06:30 UTCEPSS rescore
  24. 2026-07-01 15:06 UTCEPSS rescore
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  26. 2026-06-30 23:22 UTCEPSS rescore
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  38. 2026-06-23 21:32 UTCEPSS rescore
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  40. 2026-06-22 14:25 UTCEPSS rescore
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  42. 2026-06-21 14:56 UTCEPSS rescore
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  44. 2026-06-21 01:59 UTCEPSS rescore
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  46. 2026-06-19 19:25 UTCEPSS rescore
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  48. 2026-06-18 17:52 UTCEPSS rescore
  49. 2026-06-18 17:52 UTCEPSS rescore
  50. 2026-06-18 03:13 UTCOSV refresh
  51. 2026-06-17 17:52 UTCEPSS rescore
  52. 2026-06-16 17:52 UTCEPSS rescore
  53. 2026-06-16 17:52 UTCEPSS rescore
  54. 2026-06-14 23:17 UTCEPSS rescore
  55. 2026-06-13 23:00 UTCEPSS rescore
  56. 2026-06-12 23:11 UTCEPSS rescore
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  58. 2026-06-10 22:18 UTCEPSS rescore
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  60. 2026-06-08 14:16 UTCEPSS rescore
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  62. 2026-06-07 15:24 UTCEPSS rescore
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  64. 2026-06-06 13:47 UTCEPSS rescore
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  66. 2026-06-05 22:46 UTCEPSS rescore
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  68. 2026-06-05 06:10 UTCEPSS rescore
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  72. 2026-06-02 20:12 UTCEPSS rescore
  73. 2026-06-01 13:51 UTCEPSS rescore
  74. 2026-06-01 13:51 UTCEPSS rescore
  75. 2026-05-31 22:30 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2025-34177?
CVE-2025-34177 is a medium vulnerability published on September 9, 2025. In pfSense CE /suricata/suricataflowstream.php, the value of the policy_name parameter is not sanitized of HTML-related strings/characters before being directly displayed. This can result in stored cross-site scripting. The attacker must be authenticated with at least "WebCfg - Services: suricata…
When was CVE-2025-34177 disclosed?
CVE-2025-34177 was first published in the National Vulnerability Database on September 9, 2025, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-34177 actively exploited?
CVE-2025-34177 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 47.1% of all scored CVEs.
What is the CVSS score of CVE-2025-34177?
CVE-2025-34177 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2025-34177?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-34177, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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