CVE-2026-15048 in Geeky Bot Plugin
Summary
by MITRE • 07/31/2026
The Geeky Bot WordPress plugin before 1.2.8 does not perform an authorization check on one of its AJAX actions, allowing unauthenticated users to retrieve chat-history session metadata including WordPress usernames, user IDs, and timestamps.
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Analysis
by VulDB Data Team • 07/31/2026
The Geeky Bot WordPress plugin version 1.2.7 and earlier contains a critical authorization flaw that exposes sensitive session metadata through an improperly secured AJAX endpoint. This vulnerability allows unauthenticated attackers to access chat history session data including WordPress usernames, user identifiers, and temporal information without requiring any valid credentials or privileges. The flaw stems from the absence of proper authentication verification within the plugin's AJAX handling mechanism, specifically in one of its exposed endpoints designed for chat functionality. This represents a clear violation of the principle of least privilege and demonstrates inadequate input validation and access control implementation.
The technical nature of this vulnerability aligns with CWE-863, which describes "Incorrect Authorization" where an application fails to properly verify that the requesting entity is authorized to perform a specific action. The flaw operates at the application layer and exploits the lack of proper authentication checks in the plugin's AJAX interface, making it particularly dangerous as it allows attackers to enumerate user accounts and gather intelligence about active sessions. The exposed metadata includes WordPress usernames, which can be used for credential stuffing attacks against other systems, user IDs for targeted social engineering attempts, and timestamps that reveal user activity patterns and system usage behaviors.
Operationally, this vulnerability creates significant risk for WordPress installations using the affected plugin version. Attackers can systematically enumerate valid WordPress usernames through repeated requests to the vulnerable endpoint, potentially leading to account compromise via credential reuse attacks or brute force attempts against other services where users may have employed the same credentials. The timestamp information provides attackers with insights into user activity patterns, enabling more sophisticated social engineering and targeted attack planning. Additionally, the exposure of user IDs and session metadata can facilitate privilege escalation attempts within the WordPress environment, as these identifiers often correlate with specific user roles and capabilities.
The impact extends beyond immediate credential exposure to include potential reconnaissance opportunities for broader attacks against the WordPress installation and underlying infrastructure. This vulnerability particularly affects organizations that rely on the Geeky Bot plugin for chat functionality and may have users with varying privilege levels. The exposed session metadata could be leveraged by attackers to map out user hierarchies, identify administrators, and plan more targeted exploitation attempts. Organizations should implement immediate mitigation measures including updating to version 1.2.8 or later, which addresses this authorization flaw through proper authentication checks on the affected AJAX endpoint.
Recommended mitigations include applying the vendor-provided patch immediately, implementing network-level restrictions on access to the vulnerable AJAX endpoints, and monitoring for suspicious access patterns in web server logs that may indicate exploitation attempts. Security teams should also consider implementing additional controls such as rate limiting on API endpoints and enhanced logging of authentication-related activities to detect potential abuse of this vulnerability. The ATT&CK framework categorizes this type of vulnerability under T1078 Valid Accounts and T1566 Impersonation, highlighting the reconnaissance and credential compromise aspects that make this flaw particularly dangerous for organizations relying on WordPress-based solutions.