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OpenAdvisories
Medium · 4.3 CVE-2025-8778 EUVD-2025-34027GHSA-82p6-2j9g-whvj

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

Published Sep 10, 2025 · Updated Apr 8, 2026 · Assigned by Wordfence

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.

Affected products

VendorProductAffectedFixed
nitropack NitroPack – Performance, Page Speed & Cache Plugin for Core Web Vitals, CDN & Image Optimization ≤ 1.18.4 —

References