Critical · 9.8 CVE-2025-67911 EUVD-2026-1560GHSA-24wx-m9jq-x9f7

WordPress Newsletters plugin <= 4.11 - PHP Object Injection vulnerability

Published Jan 8, 2026 · Updated Apr 28, 2026 · Assigned by Patchstack

Vendor: Tribulant Software Product: Newsletters

Description

Deserialization of Untrusted Data vulnerability in Tribulant Software Newsletters newsletters-lite allows Object Injection.This issue affects Newsletters: from n/a through <= 4.11.

Affected products

Vendor	Product	Affected	Fixed
Tribulant Software	Newsletters	≤ 4.11	—

References

https://patchstack.com/database/Wordpress/Plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-11-php-object-injection-vulnerability?_s_id=cve vdb-entry