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  4. CVE 2026 67189 pfsense plusce stored xss via traffic graphs ptr
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Back to active CVEs
Medium · CVSS 5.3CVE-2026-67189

pfSense Plus/CE Stored XSS via Traffic Graphs PTR Record

Answer in brief

CVE-2026-67189 records a Medium severity (CVSS 5.3) vulnerability in pfSense Plus/CE Stored XSS via Traffic Graphs PTR Record. The current sources do not mark it as known exploited. The current feed maps Netgate/pfSense CE (generic), Netgate/pfSense CE (generic), Netgate/pfSense Plus (generic), Netgate/pfSense Plus (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 19, 2026Updated Oct 1, 2026Source checked Oct 3, 2026First seen by HOL Aug 19, 2026Material review Oct 1, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.3
Exploitation
Not marked as known exploited
Affected software
4 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Netgate/pfSense CE (generic), Netgate/pfSense CE (generic), Netgate/pfSense Plus (generic), Netgate/pfSense Plus (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Netgate/pfSense CEgeneric*Not reported
Netgate/pfSense CEgeneric0Not reported
Netgate/pfSense Plusgeneric*Not reported
Netgate/pfSense Plusgeneric>=0 <26.0726.07

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Netgate/pfSense CE, Netgate/pfSense CE, Netgate/pfSense Plus.
  2. 2Review the reported fix. Update Netgate/pfSense Plus to 26.07 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 19, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 19, 2026

Sources and claim methodology

  • Source referencedocs.netgate.com
  • Source referencedocs.netgate.com
  • Source referencedocs.netgate.com
  • Source referencevulncheck.com
Upstream source description

pfSense Plus before 26.07 and pfSense CE through 2.8.1 contain a stored cross-site scripting vulnerability in the Traffic Graphs top-talkers feature, where PTR records returned by reverse DNS lookups are incorporated without sanitization into AJAX responses and rendered as HTML through a DOM sink in the administrator interface. An attacker who controls a PTR record and generates sufficient traffic to appear as a top talker can execute arbitrary JavaScript in an administrator's browser, gaining access to the authenticated session context and same-origin access to the firewall management interface, enabling account creation and arbitrary OS command execution.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • WordPress Unlimited Elements For Elementor (Free Widgets, Addons, Templates) plugin <= 2.0.20 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • WPMobile.App <= 11.84 - Unauthenticated Stored Cross-Site Scripting via '/android_json/search/<value>/0' Path SegmentAlso CWE-79
  • WPC Estimated Delivery Date for WooCommerce <= 4.0.1 - Reflected Cross-Site Scripting via 'rule_data' ParameterAlso CWE-79
  • OpenAM before 16.1.3 Reflected XSS via OAuth2 Authorization Error PageAlso CWE-79
  • OpenAM before 16.1.3 Latent XSS in SAML Load-Balancer Cookie Bounce PageAlso CWE-79
  • W (wcms) through 3.18.0 Unauthenticated Stored XSS via Login Username and CommentsAlso CWE-79

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 3, 2026
References
4 linked sources
Open source record