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 prior to 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. Exploiting this flaw, an unauthenticated attacker can bind their own key, hijack an administrator session, and gain control over the entire network, which can lead to remote code execution.
Potential Impact
Successful exploitation allows an unauthenticated attacker to hijack administrator sessions and take over the entire WordPress Multisite network managed by the InfiniteWP Client plugin. This can result in remote code execution, compromising the confidentiality, integrity, and availability of the affected systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vulnerability affects versions before 1.13.6, upgrading to version 1.13.6 or later is recommended once official fixes are available. Until then, restrict access to the remote-management endpoint and monitor for suspicious activity.
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
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 prior to 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. Exploiting this flaw, an unauthenticated attacker can bind their own key, hijack an administrator session, and gain control over the entire network, which can lead to remote code execution.
Potential Impact
Successful exploitation allows an unauthenticated attacker to hijack administrator sessions and take over the entire WordPress Multisite network managed by the InfiniteWP Client plugin. This can result in remote code execution, compromising the confidentiality, integrity, and availability of the affected systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vulnerability affects versions before 1.13.6, upgrading to version 1.13.6 or later is recommended once official fixes are available. Until then, restrict access to the remote-management endpoint and monitor for suspicious activity.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-07-08T08:39:39.820Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a781a2ebf8831d5391ffed5
Added to database: 08/09/2026, 06:11:58 UTC
Last enriched: 08/09/2026, 06:47:39 UTC
Last updated: 08/11/2026, 02:42:14 UTC
Views: 58
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