CVE-2026-65445 in Ad Invalid Click Protector Plugin
Summary
by MITRE • 07/28/2026
Unauthenticated Broken Access Control in Ad Invalid Click Protector (AICP) <= 1.3.0 versions.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 07/28/2026
The vulnerability identified in Ad Invalid Click Protector versions 1.3.0 and earlier represents a critical broken access control flaw that undermines the security posture of advertising platforms. This issue stems from insufficient authentication mechanisms within the plugin's architecture, allowing unauthorized users to bypass normal access restrictions and potentially manipulate advertising campaign data. The vulnerability resides in the core access control implementation where proper user verification is not enforced before granting administrative or sensitive operational privileges.
The technical exploitation of this vulnerability occurs through manipulation of API endpoints or administrative interfaces that should require valid authentication credentials. Attackers can leverage this weakness to perform unauthorized actions such as modifying click tracking parameters, altering campaign settings, or accessing restricted reporting data without proper authorization. The flaw demonstrates poor input validation and session management practices that permit arbitrary access to protected functionalities within the advertising protection system.
From an operational perspective, this vulnerability creates significant risk for digital advertising platforms that rely on AICP for protecting against invalid clicks and ensuring ad integrity. Unauthorized individuals could manipulate campaign performance metrics, potentially leading to financial losses through fraudulent click generation or data manipulation. The impact extends beyond immediate financial harm to include potential reputational damage and compliance violations in regulated advertising environments where proper access controls are mandatory.
Security frameworks such as CWE-284 provide clear guidance on this type of vulnerability, categorizing it under "Improper Access Control" where insufficient authorization checks allow unauthorized access to protected resources. This aligns with ATT&CK technique T1078 which covers valid accounts usage and privilege escalation through compromised credentials or insecure access controls. The vulnerability also relates to CWE-352 which addresses cross-site request forgery, though specifically in this case the issue manifests as a server-side access control failure rather than client-side request manipulation.
Mitigation strategies should include immediate implementation of proper authentication checks for all administrative endpoints, enforcement of role-based access controls, and comprehensive input validation. Organizations should upgrade to versions of AICP that address this vulnerability through proper session management, token-based authentication, or API key verification mechanisms. Additionally, implementing network segmentation, logging access attempts, and conducting regular security audits can help detect and prevent exploitation attempts while ensuring compliance with industry standards for secure application development practices.