CVE-2026-119512

WordPress Newsletters plugin <= 4.18.2 - PHP Object Injection vulnerability

Published Nov 13, 2026 CVSS 3.1 · 8.8 High EPSS n/a KEV · Not listed
Description
Deserialization of Untrusted Data vulnerability in Tribulant Software Newsletters newsletters-lite allows Object Injection.This issue affects Newsletters: from n/a through 4.18.2.

Remediation

Vendor Solution

Update the WordPress Newsletters plugin to the latest available version (at least 4.18.3).

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Description Deserialization of Untrusted Data vulnerability in Tribulant Software Newsletters newsletters-lite allows Object Injection.This issue affects Newsletters: from n/a through 4.18.2.
Title WordPress Newsletters plugin <= 4.18.2 - PHP Object Injection vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Nov 13, 2026, 4:09 PM
Reserved
Oct 30, 2026, 9:20 AM
Status
Deferred
Published
Nov 13, 2026, 3:17 PM
Modified
Nov 13, 2026, 3:17 PM