How severe is CVE-2025-8778?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Nitropack – Performance, Page Speed & Cache Plugin For Core Web Vitals, Cdn Image Optimization

CVE-2025-8778

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 f…

Vulnerability class: Broken Access Control

EPSS: 0.002 (13.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Nitropack – Performance, Page Speed & Cache Plugin For Core Web Vitals, Cdn Image Optimization — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2025-8778?: CVE-2025-8778 is a medium-severity vulnerability in Nitropack – Performance, Page Speed & Cache Plugin For Core Web Vitals, Cdn Image Optimization, classified under Missing Authorization. CVSS score: 4.3/10. Published 2025-09-10.
How severe is CVE-2025-8778?: Medium severity. CVSS v3 base score is 4.3 out of 10.