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pfSense Plus < 26.07 / CE < 2.9.0 Stored XSS via firewall_rules_edit.php

Type: advisorySource: Official CVE List1 source record

pfSense Plus before 26.07 and CE before 2.9.0 allow authenticated users with the Firewall: Rules: Edit privilege to inject arbitrary JavaScript via the descr parameter in /firewall_rules_edit.php. The firewall rule description is stored in the pfSense XML configuration with only backslash-escaping applied and no HTML sanitization, then rendered without encoding in the firewall log table in /status_logs_filter.php. The payload executes in the browser of any user with the Status: Logs: Firewall privilege who views the affected log entries.

Announced Group revision 1
Original source ↗

CVE-2026-56127

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-56127

pfSense Plus

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

pfSense CE

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://github.com/getformwork/formwork",
    "vendor": "Netgate",
    "product": "pfSense Plus",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "26.07",
        "versionType": "custom"
      }
    ],
    "packageURL": "pkg:github/getformwork/formwork",
    "collectionURL": "https://github.com/getformwork/formwork",
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Netgate",
    "product": "pfSense CE",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "2.9.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-56127

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#7709 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement