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Tool Directory

CVE-2026-15038

CriticalPublished

InfiniteWP Client < 1.13.6 - Unauthenticated Administrator Account Takeover on Multisite

Published: Aug 9, 2026
Updated: Aug 10, 2026
Assigning CNA: WPScan
Evidence observed: Aug 9, 2026

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

0.6%

Low · next 30 days

Percentile: 46.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

By-Poloss..-..CVE-2026-15038-POCExploit
POC 4 CVE-2026-15038

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