CVE-2026-15038: CWE-287 Improper Authentication in InfiniteWP Client
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.
AI Analysis
Technical Summary
CVE-2026-15038 is an improper authentication vulnerability (CWE-287) in the InfiniteWP Client WordPress plugin before version 1.13.6. The plugin fails to properly verify the site-connection state and the authenticity of requests to its remote-management endpoint on WordPress Multisite setups. This allows unauthenticated attackers to bind their own key, hijack administrator sessions, and gain full control over the network, enabling remote code execution.
Potential Impact
Successful exploitation enables unauthenticated attackers to hijack administrator sessions and take over the entire WordPress Multisite network, leading to full compromise including remote code execution. The CVSS score of 9.8 reflects critical impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the remote-management endpoint and monitor for suspicious activity. Avoid exposing the management interface to untrusted networks.
CVE-2026-15038: CWE-287 Improper Authentication in InfiniteWP Client
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.
CVSS v3.1
Score 9.8critical
Affected software
InfiniteWP Client
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-15038 is an improper authentication vulnerability (CWE-287) in the InfiniteWP Client WordPress plugin before version 1.13.6. The plugin fails to properly verify the site-connection state and the authenticity of requests to its remote-management endpoint on WordPress Multisite setups. This allows unauthenticated attackers to bind their own key, hijack administrator sessions, and gain full control over the network, enabling remote code execution.
Potential Impact
Successful exploitation enables unauthenticated attackers to hijack administrator sessions and take over the entire WordPress Multisite network, leading to full compromise including remote code execution. The CVSS score of 9.8 reflects critical impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the remote-management endpoint and monitor for suspicious activity. Avoid exposing the management interface to untrusted networks.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-07-08T08:39:39.820Z
- State
- PUBLISHED
Threat ID: 6a781a2ebf8831d5391ffed5
Added to database: 08/09/2026, 06:11:58 UTC
Last enriched: 08/16/2026, 14:47:32 UTC
Last updated: 09/25/2026, 13:47:43 UTC
Views: 138
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