Newsletter <= 6.5.3 - CSV Injection

5.5
Improper Input Validation
CVSS 5.5 (Medium)
Publicly Published March 16, 2020
Last Updated January 22, 2024
Researcher Vishnupriya Ilango - Fortinet's FortiGuard Labs

Description

The Newsletter plugin for WordPress is vulnerable to CSV Injection in versions up to, and including, 6.5.3 by the use of Microsoft Excel DDE function, or to leak data via maliciously injected hyperlinks. This allows non-privileged attackers to embed untrusted input into exported CSV files, which can result in code execution when these files are downloaded and opened on a local system with a vulnerable configuration.

References

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Vulnerability Details for Newsletter – Send awesome emails from WordPress

Software Type Plugin
Software Slug newsletter (view on wordpress.org)
Patched? Yes
Remediation Update to version 6.5.4, or a newer patched version
Affected Version
  • <= 6.5.3
Patched Version
  • 6.5.4

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