CVE-2026-24587 in AJAX Hits Counter and Popular Posts Widget Plugin
Summary
by MITRE • 01/23/2026
Missing Authorization vulnerability in kutsy AJAX Hits Counter + Popular Posts Widget ajax-hits-counter allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects AJAX Hits Counter + Popular Posts Widget: from n/a through <= 0.10.210305.
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Analysis
by VulDB Data Team • 01/23/2026
The CVE-2026-24587 vulnerability represents a critical missing authorization flaw within the AJAX Hits Counter + Popular Posts Widget plugin for WordPress systems. This security weakness stems from incorrectly configured access control security levels that permit unauthorized users to exploit the plugin's functionality. The vulnerability specifically impacts versions of the plugin ranging from the initial release through version 0.10.210305, creating a substantial attack surface for malicious actors who can manipulate the plugin's intended access controls. The affected plugin's ajax-hits-counter component exposes functionality that should be restricted to authorized administrators but instead allows any user with access to the WordPress site to potentially execute unauthorized actions.
The technical implementation of this vulnerability resides in the plugin's failure to properly validate user permissions before executing sensitive operations within the ajax-hits-counter module. This misconfiguration creates a path where unauthenticated or low-privilege users can bypass normal access controls and potentially manipulate hit counting data or access restricted features. The flaw operates at the application layer and directly impacts the plugin's authorization mechanisms, allowing attackers to exploit the system's trust model by leveraging the plugin's legitimate API endpoints. According to CWE standards, this vulnerability maps to CWE-285: Improper Authorization, which classifies it as a fundamental access control failure that can lead to privilege escalation and data manipulation.
The operational impact of this vulnerability extends beyond simple data exposure to potentially enable more severe consequences within WordPress environments. Attackers could manipulate hit counters to skew analytics data, potentially affecting business decisions based on false metrics. The vulnerability also creates opportunities for attackers to perform unauthorized modifications to the plugin's configuration or access sensitive administrative functions that should remain restricted. Additionally, this flaw could serve as a stepping stone for further attacks within the WordPress ecosystem, as compromised access to plugin functionality often provides attackers with additional attack vectors. The vulnerability's persistence across multiple versions indicates a systemic issue in the plugin's security architecture that requires immediate attention.
Mitigation strategies for CVE-2026-24587 should prioritize immediate plugin updates to versions that address the authorization flaw, though administrators must verify that updated versions properly resolve the issue without introducing compatibility problems. System administrators should implement additional monitoring of plugin access patterns to detect anomalous usage that might indicate exploitation attempts. Network-level controls including firewall rules and web application firewalls can help restrict access to the vulnerable ajax-hits-counter endpoints until proper patches are applied. Organizations should also consider implementing principle of least privilege controls for plugin installations and regularly audit plugin permissions to ensure that only authorized users can access sensitive administrative functions. This vulnerability aligns with ATT&CK technique T1068: Exploitation for Privilege Escalation, where attackers leverage application-level flaws to gain elevated system access. The security community should treat this as a high-priority vulnerability requiring immediate remediation to prevent potential compromise of WordPress installations.