CVE-2025-64639 WordPress WP Compress for MainWP plugin <= 6.50.17 - Broken Access Control vulnerability
Attackers can bypass access controls in the WP Compress for MainWP plugin to perform unauthorized actions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-64639?
CVE-2025-64639 is a medium-severity missing authorization vulnerability in WP Compress for MainWP, published on 16 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Missing Authorization vulnerability in WP Compress WP Compress for MainWP wp-compress-mainwp allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP Compress for MainWP: from n/a through <= 6.50.17.
Weakness: CWE-862
Which versions are affected by CVE-2025-64639?
How do I fix CVE-2025-64639?
No fix has been published for CVE-2025-64639 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-2025-64639 being exploited?
There is no known exploitation of CVE-2025-64639 in the wild and no public exploit code.
Sources
Also known as GHSA-xxh2-5857-h7jc.