NitroPack <= 1.18.4 - Missing Authorization to Authenticated (Subscriber+) Limited Settings Update via nitropack_set_compression_ajax Function

Missing Authorization
CVE CVE-2025-8778
CVSS Medium (4.3)
Publicly Published September 9, 2025
Last Updated September 10, 2025
Researcher Peter Thaleikis
Description

The NitroPack plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the nitropack_set_compression_ajax() function in all versions up to, and including, 1.18.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update the nitropack-enableCompression option and effectively change plugin compression settings.

References

1 affected software package

Software Type Plugin
Software Slug nitropack (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 1.18.4
Patched Version
  • 1.18.5
This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.
License: Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy. License Detail.