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.

Analysis

No analysis available yet

Remediation

Vendor Solution

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

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Tribulant
Tribulant newsletters
Wordpress-extensions
Wordpress-extensions newsletters
Vendors & Products Tribulant
Tribulant newsletters
Wordpress-extensions
Wordpress-extensions newsletters
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'}

Weaknesses
  • CWE-502

    Deserialization of Untrusted Data

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, 5:17 PM