CVE-2026-15038

InfiniteWP Client < 1.13.6 - Unauthenticated Administrator Account Takeover on Multisite

Published Aug 9, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions infinitewp Client
Vendors & Products Wordpress-extensions
Wordpress-extensions infinitewp Client
Type Values Removed Values Added
Weaknesses CWE-287
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title InfiniteWP Client < 1.13.6 - Unauthenticated Administrator Account Takeover on Multisite
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 10, 2026, 7:33 PM
Reserved
Jul 8, 2026, 8:39 AM
Status
Deferred
Published
Aug 9, 2026, 6:17 AM
Modified
Aug 26, 2026, 4:31 PM