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CVE-2026-86824 Newsletter < 9.3.8 - Unauthenticated Subscriber PII Disclosure and Modification via Predictable Tracking Signature Key

🗓️ 17 Sep 2026 06:00:11Reported by WPScanType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

The Newsletter WordPress plugin before 9.3.8 does not generate its email tracking signing key with sufficient entropy and signs its tracking links with an unkeyed hash, allowing an unauthenticated attacker who recovers that key offline to forge tr...

Related
Affected
Refs
[
  {
    "vendor": "Unknown",
    "product": "Newsletter",
    "versions": [
      {
        "status": "affected",
        "versionType": "semver",
        "version": "0",
        "lessThan": "9.3.8"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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17 Sep 2026 06:00Current
EPSS0.001
5