CVE-2026-94075: WordPress Newsletters plugin <= 4.18.1 - PHP Object Injection vulnerability

Published Oct 24, 2026
·
Updated

Deserialization of Untrusted Data vulnerability in Tribulant Software Newsletters newsletters-lite allows Object Injection.This issue affects Newsletters: from n/a through 4.18.1.

Affected Software

1 affected component
Tribulant Software Newsletters<=4.18.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade WordPress Newsletters plugin to a version that resolves this vulnerability.

    Fixed in 4.18.2

Event History

Oct 24, 2026
CVE Published
via MITRE·08:00 AM
Data Sourced
via MITRE·08:00 AM
RemedyDescriptionSeverityWeakness

Frequently Asked Questions

1

Which installations are affected?

Tribulant Software Newsletters installations running any affected version through 4.18.1 are affected. The available data does not identify a fixed version.

2

Can this be exploited remotely without authentication or user interaction?

Yes. The CVSS vector indicates network-based exploitation with low attack complexity, no privileges required, and no user interaction required.

3

What is the potential impact of successful exploitation?

The severity data rates the issue critical at 9.8 and indicates high impact to confidentiality, integrity, and availability.

Contact

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