CVE-2025-67911

WordPress Newsletters plugin <= 4.11 - PHP Object Injection vulnerability

CVSS 9.8 CRITICALEPSS 0.4%CWE-502

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.8EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

08 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Tribulant Software · Newsletters

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References

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