CVE-2026-86824Wordfence

Vulnerability Summary

The Newsletter plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 9.3.7. This makes it possible for unauthenticated attackers to extract sensitive user or configuration data.

Severity Level

MEDIUM(5.3)

Published Date

Sep 17, 2026

Last Modified

Sep 22, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.10%Probability

Root Weakness (CWE)

CWE-200: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 5.3 (MEDIUM)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityLow

IntegrityNone

AvailabilityNone

Affected & Patched Versions

Affected Versions

Newsletter * - 9.3.7

Patched Versions

Newsletter 1

📧Email Delivery — Threat intel straight to your inbox.

♾️Unlimited Vendors — Track your entire stack.

🚨All New CVEs — Be the first to know.

⚙️Custom EPSS — Filter noise, focus on risk.

💬Webhooks — Slack & Teams integration.

🚫Ad-Free — Uninterrupted experience.