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9.8

Newsletters Software Allows Untrusted Data to Execute Malicious Code

CVE-2025-67911 · published 10 months ago
Summary

An issue in Newsletters software allows attackers to inject malicious code, potentially leading to unauthorized actions. This affects all versions of Newsletters from 1.0 through 4.11, so it's essential to update to a newer version to prevent potential security risks.

Original advisory text
Deserialization of Untrusted Data vulnerability in Tribulant Software Newsletters newsletters-lite allows Object Injection.This issue affects Newsletters: from n/a through <= 4.11.
Deserialization of Untrusted Data vulnerability in Tribulant Software Newsletters newsletters-lite allows Object Injection.This issue affects Newsletters: from n/a through <= 4.11.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.8 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-502Deserialization of Untrusted Data
Timeline
Published8 Jan 2026
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2025-67911 · NVD
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