CVE-2025-64258 in Follow My Blog Post Plugin
Summary
by MITRE • 12/18/2025
Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in wpweb Follow My Blog Post follow-my-blog-post allows Retrieve Embedded Sensitive Data.This issue affects Follow My Blog Post: from n/a through <= 2.3.9.
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Analysis
by VulDB Data Team • 12/18/2025
The vulnerability identified as CVE-2025-64258 represents a critical exposure of sensitive system information within the wpweb Follow My Blog Post plugin, specifically targeting versions ranging from n/a through 2.3.9. This weakness falls under the category of information disclosure vulnerabilities that permit unauthorized access to system data, creating potential attack vectors for malicious actors seeking to exploit the exposed information. The vulnerability resides in the plugin's handling of sensitive data, where embedded system information becomes accessible to unauthorized control spheres without proper authentication or authorization mechanisms. The affected plugin's architecture fails to adequately protect system metadata, user credentials, or other confidential data that should remain restricted to authorized personnel only. This exposure creates a significant security risk as attackers can potentially leverage the disclosed information to conduct further attacks, escalate privileges, or gain deeper access to the affected system infrastructure.
The technical flaw manifests through improper data handling within the Follow My Blog Post plugin implementation, where sensitive system information is inadvertently exposed during normal operational procedures. This vulnerability demonstrates a lack of proper input validation and output sanitization mechanisms that should prevent unauthorized data retrieval. The issue occurs when the plugin processes user requests or system operations that result in the inclusion of sensitive information within responses or data structures accessible to external parties. The flaw essentially creates a backdoor pathway through which unauthorized entities can extract embedded data that should remain protected within the system boundaries. The vulnerability's impact is amplified by the fact that it affects multiple versions of the plugin, indicating a persistent architectural weakness rather than a temporary coding error. The exposure occurs at the application level where system information flows through the plugin's interfaces without adequate security controls to filter or restrict access to sensitive data elements.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can enable attackers to gather intelligence about the target system, potentially facilitating more sophisticated attacks. When sensitive system information becomes accessible, adversaries can map the underlying infrastructure, identify system configurations, and gather data that could be used for privilege escalation or lateral movement within the network. The vulnerability creates opportunities for attackers to perform reconnaissance activities that would normally require elevated privileges or direct system access. Organizations running affected plugin versions face increased risk of data breaches, system compromise, and potential regulatory violations due to the exposure of confidential information. The impact is particularly severe for environments where the plugin is used in conjunction with other security-sensitive applications or where the exposed data includes user credentials, system paths, or configuration details that could be leveraged for additional attacks.
Mitigation strategies for CVE-2025-64258 should prioritize immediate plugin updates to versions that address the information disclosure vulnerability, while also implementing additional security controls to reduce the attack surface. System administrators should conduct thorough vulnerability assessments to identify all instances of the affected plugin and ensure complete remediation across all environments. Network segmentation and access controls should be enhanced to limit exposure of sensitive data even if the primary vulnerability is not immediately patched. The implementation of web application firewalls and security monitoring systems can help detect and prevent exploitation attempts targeting this vulnerability. Organizations should also review their incident response procedures to ensure readiness for potential exploitation of this information disclosure flaw. According to CWE standards, this vulnerability aligns with CWE-200, which addresses information exposure, and may also relate to CWE-352, concerning cross-site request forgery, depending on how the sensitive data is exposed. From an ATT&CK perspective, this vulnerability maps to T1083, which covers discovery of system information, and T1566, which addresses credential harvesting through various attack vectors. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other plugins or system components that may present similar exposure risks.