Vulnerability · Published Sep 10, 2025 · Assigned by Wordfence

CVE-2025-8778NitroPack <= 1.18.4 - Missing Authorization to Authenticated (Subscriber+) Limited Settings Update via nitropack_set_compression_ajax Function

Medium 4.3

In plain English

A medium-severity missing authorization in NitroPack – Performance, Page Speed & Cache Plugin for Core Web Vitals, CDN & Image Optimization from nitropack. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.2%top 83.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
nitropack	NitroPack – Performance, Page Speed & Cache Plugin for Core Web Vitals, CDN & Image Optimization	0 – through 1.18.4

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

In plain English

Official description

Affected products (as reported)

References