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

2025-09-09 18:06

Peter Thaleikis

Strategic Overview

Status

Patched in 1.18.5

Affected PluginNitroPack – Performance, Page Speed & Cache Plugin for Core Web Vitals, CDN & Image Optimization

Affected Version<= 1.18.4

CVSS4.3Medium

CVECVE-2025-8778

View all NitroPack – Performance, Page Speed & Cache Plugin for Core Web Vitals, CDN & Image Optimization vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 1.18.5, or a newer patched version --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.cve.org/CVERecord?id=CVE-2025-8778 https://www.wordfence.com/threat-intel/vulnerabilities/id/750f35ce-0f1c-4a12-a7a0-2c217de277fd

CVSS Vector

4.3

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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