CVE-2026-94075

Deserialization of Untrusted Data vulnerability in Tribulant Software Newsletters newsletters-lite…

Risk score: 73/100
CVSS: 9.8 v3.1
Exploit chance (30 days): 0.6%
Published: 24 Oct 2026

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What to know

What it is: A critical deserialization of untrusted data vulnerability in Tribulant Software Newsletters newsletters-lite allows object injection. An attacker could exploit this to gain high privileges, inject objects, and achieve arbitrary code execution.
Affected: {'products': ['Newsletters'], 'packages': [], 'versions': ['n/a through 4.18.1']}
Fix: Check the linked advisory for a fix, as none is specified in this record.
Exploitation: No known exploitation

Why it is Amber

CVSS 9.8 critical
Remotely exploitable without logging in

References

https://patchstack.com/database/wordpress/plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-18-1-php-object-injection-vulnerability?_s_id=cve

Original description

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

Last activity 24 Oct 2026. Patch Forecast updates every hour.