CVE-2026-65521 in WP Social Ninja Plugin
Summary
by MITRE • 07/23/2026
Unauthenticated Sensitive Data Exposure in WP Social Ninja <= 4.3.0 versions.
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Analysis
by VulDB Data Team • 07/23/2026
The vulnerability described in this CVE represents a critical security flaw in the WP Social Ninja plugin for WordPress, affecting versions up to and including 4.3.0. This issue manifests as an unauthenticated sensitive data exposure that allows any visitor to the website to access confidential information without requiring login credentials or administrative privileges. The flaw stems from improper access controls within the plugin's code implementation, specifically in how it handles data retrieval and response generation for certain API endpoints.
The technical root cause of this vulnerability lies in the absence of proper authentication checks and authorization mechanisms within the plugin's backend processes. When users make requests to specific endpoints within WP Social Ninja, the system fails to verify whether the requester possesses legitimate access rights before returning sensitive information. This design flaw creates a direct pathway for attackers to exploit the system through simple HTTP requests, bypassing all conventional security measures that would normally protect administrative data. The vulnerability is classified under CWE-200 which specifically addresses improper handling of sensitive data exposure scenarios.
The operational impact of this vulnerability extends beyond simple information disclosure, as it enables attackers to access potentially sensitive configuration data, user credentials, or other confidential information stored within the plugin's database structures. This exposure can lead to further exploitation opportunities including privilege escalation attacks, data manipulation, or even complete system compromise depending on what information is accessible through these endpoints. The unauthenticated nature of the vulnerability makes it particularly dangerous as it requires no prior access or knowledge of valid credentials to exploit, making it an attractive target for automated scanning tools and malicious actors seeking to identify vulnerable systems.
Security professionals should note that this vulnerability directly aligns with several ATT&CK techniques including T1213 (Data from Information Repositories) and T1566 (Phishing) as attackers can leverage the exposed data to craft more sophisticated social engineering campaigns or use the information for additional attack vectors. The exposure of sensitive plugin configurations could reveal database connection details, API keys, or other system parameters that might be used to target other components within the same network infrastructure.
Mitigation strategies should begin with immediate patching of affected systems to WP Social Ninja version 4.3.1 or later, where the authentication checks have been properly implemented. Organizations should also conduct comprehensive security assessments of their WordPress installations to identify any other plugins or themes that might exhibit similar access control vulnerabilities. Network monitoring should be enhanced to detect unusual patterns of data access requests that could indicate exploitation attempts. Additionally, implementing proper input validation and output encoding techniques can help prevent similar issues in future development cycles, particularly when handling user-supplied data that might influence system behavior or data retrieval operations.