CVE-2026-15038
Critical
Description
The InfiniteWP Client WordPress plugin before 1.13.6 does not properly verify the site-connection state and the authenticity of requests to its remote-management endpoint on WordPress Multisite installations, allowing unauthenticated attackers to bind their own key, hijack an administrator session, and take over the entire network, leading to remote code execution.
SeverityCritical
CVSS9.8
Exploit probability—
ProductInfiniteWP Client
PublishedAug 9, 2026
First seenAug 9, 2026
Weakness typeCWE-287Improper authentication
How to fix
Update
- InfiniteWP Client1.13.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| InfiniteWP Client | v < 1.13.6 | 1.13.6 |
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