Newsletter Lite <= 4.9.2 - Authenticated (Admin+) Command Injection

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE CVE-2023-4797
CVSS Medium (6.6)
Publicly Published October 5, 2023
Last Updated February 7, 2024
Researcher Karolis Narvilas
Description

The Newsletters plugin for WordPress is vulnerable to Command Injection in all versions up to, and including, 4.9.2 via the emailarchive_olderthan parameter. This is due to insuffcient validation on user supplied input being passed to eval. This makes it possible for authenticated attackers, with administrator-level access and above, to execute code on the server.

References

1 affected software package

Software Type Plugin
Software Slug newsletters-lite (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 4.9.2
Patched Version
  • 4.9.3
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