CVE-2025-8778 Missing authorization in NitroPack – Performance, Page Speed & Cache Plugin for Core Web Vitals, CDN & Image Optimization
Authenticated subscribers can modify NitroPack compression settings due to missing capability checks in the WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-8778?
CVE-2025-8778 is a medium-severity missing authorization vulnerability in NitroPack – Performance, Page Speed & Cache Plugin for Core Web Vitals, CDN & Image Optimization, published on 10 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-862
Which versions are affected by CVE-2025-8778?
How do I fix CVE-2025-8778?
No fix has been published for CVE-2025-8778 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-8778 being exploited?
There is no known exploitation of CVE-2025-8778 in the wild and no public exploit code.
Sources
Also known as GHSA-82p6-2j9g-whvj.