CVE-2023-46639 in kk Star Ratings Plugin
Summary
by MITRE • 01/02/2025
Missing Authorization vulnerability in FeedbackWP kk Star Ratings allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects kk Star Ratings: from n/a through 5.4.5.
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Analysis
by VulDB Data Team • 01/02/2025
The CVE-2023-46639 vulnerability represents a critical missing authorization flaw within the FeedbackWP kk Star Ratings plugin, which operates within WordPress environments. This vulnerability stems from incorrectly configured access control security levels that permit unauthorized users to perform actions they should not be permitted to execute. The issue exists across all versions of the kk Star Ratings plugin from the initial release through version 5.4.5, indicating a prolonged period during which the security flaw remained unaddressed. The vulnerability specifically targets the plugin's authorization mechanisms, creating a pathway for attackers to bypass intended access controls and potentially manipulate rating systems or related functionalities.
This technical flaw falls under the category of improper access control as classified by CWE-285, which specifically addresses issues where systems fail to properly enforce access restrictions. The vulnerability enables attackers to exploit the plugin's functionality without proper authentication or authorization, creating a scenario where malicious actors can manipulate the rating system or potentially access sensitive data. The flaw operates at the application level within the WordPress ecosystem, where the plugin's security controls are insufficient to prevent unauthorized access to its core features and data management capabilities.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can enable attackers to manipulate user ratings, potentially affecting the integrity of feedback systems. In environments where rating systems influence business decisions, product evaluations, or user experiences, this vulnerability could lead to significant reputational damage and data manipulation. The issue is particularly concerning in multi-user environments where different permission levels exist, as it allows lower-privileged users to access or modify functionality typically restricted to administrators or authorized personnel.
Security professionals should prioritize addressing this vulnerability through immediate plugin updates to version 5.4.6 or later, which contains the necessary authorization fixes. The remediation process should include comprehensive access control reviews to ensure that all plugin functionalities properly enforce authorization checks. Organizations should also implement monitoring mechanisms to detect any unauthorized access attempts or modifications to rating systems. Additionally, security teams should conduct regular vulnerability assessments of WordPress plugins to identify similar access control flaws that could compromise system integrity. The vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and privilege escalation, as it allows unauthorized users to gain access to restricted functionalities through improperly configured security controls.