NitroPack – Performance, Page Speed & Cache Plugin for Core Web Vitals, CDN & Image Optimization vulnerabilities
Plugin slug nitropack · 7 known vulnerabilities · latest disclosed 2026-02-18 · WordPress.org page
Every listed vulnerability has a fix. Version 1.19.4 or later is not affected by any of them. If your site runs an older version, update it.
2 of 7 rated high or critical (CVSS 7 or more).
Known vulnerabilities in NitroPack – Performance, Page Speed & Cache Plugin for Core Web Vitals, CDN & Image Optimization
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 5.3 | <= 1.19.3 | 1.19.4 | CVE-2026-39669 | 2026-02-18 | Advisory |
| Medium 4.3 | <= 1.18.4 | 1.18.5 | CVE-2025-8778 | 2025-09-09 | Advisory |
| High 8.1 | <= 1.17.0 | 1.17.6 | CVE-2024-11848 | 2025-01-14 | Advisory |
| Medium 4.3 | <= 1.17.0 | 1.17.6 | CVE-2024-11851 | 2025-01-14 | Advisory |
| High 7.3 | <= 1.16.7 | 1.16.8 | CVE-2024-43922 | 2024-08-26 | Advisory |
| Medium 4.3 | <= 1.10.2 | 1.10.3 | CVE-2023-52121 | 2023-12-28 | Advisory |
| Medium 6.3 | < 1.10.0 | 1.10.0 | none | 2023-11-07 | Advisory |
Check if a site is affected
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Questions
Is the NitroPack – Performance, Page Speed & Cache Plugin for Core Web Vitals, CDN & Image Optimization plugin safe to use?
All 7 known issues are fixed in current versions (1.19.4 or later). Keeping it updated is what matters.
How do I check which version of NitroPack – Performance, Page Speed & Cache Plugin for Core Web Vitals, CDN & Image Optimization my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.