CVE-2023-49832 in Site Reviews Plugin
Summary
by MITRE • 12/09/2024
Missing Authorization vulnerability in Paul Ryley Site Reviews allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Site Reviews: from n/a through 6.10.2.
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Analysis
by VulDB Data Team • 12/09/2024
The CVE-2023-49832 vulnerability represents a critical authorization flaw in the Paul Ryley Site Reviews plugin for WordPress, classified under the CWE-285 category for Improper Authorization. This vulnerability stems from incorrectly configured access control security levels that allow unauthorized users to perform actions they should not be permitted to execute within the plugin's administrative interface. The issue affects versions ranging from the initial release through 6.10.2, indicating a prolonged period during which the plugin was susceptible to exploitation. The vulnerability manifests when the plugin fails to properly validate user permissions before executing sensitive operations, creating a pathway for privilege escalation attacks.
The technical implementation of this flaw involves the plugin's failure to adequately verify user roles and capabilities before processing administrative requests. Attackers can exploit this weakness by crafting malicious requests that bypass normal authorization checks, potentially gaining access to restricted functionality or data. This misconfiguration allows unauthenticated or low-privilege users to manipulate the plugin's core features, which typically require administrator-level permissions. The vulnerability operates at the application layer and can be exploited through standard web application attack vectors including cross-site request forgery and direct API manipulation. The root cause lies in insufficient input validation and access control enforcement mechanisms within the plugin's codebase, specifically in how it handles user authentication tokens and role-based access controls.
The operational impact of this vulnerability extends beyond simple data exposure, as it enables potential attackers to perform destructive actions such as modifying reviews, deleting content, or altering plugin configurations. This unauthorized access can lead to reputation damage, data integrity compromise, and potential further exploitation of the affected WordPress installation. Organizations running vulnerable versions face significant risk of content manipulation, which could result in false reviews, spam injection, or complete administrative takeover of the plugin's functionality. The vulnerability also creates opportunities for attackers to establish persistence within the affected systems, as they can modify plugin settings or inject malicious code through the compromised access controls.
Mitigation strategies for CVE-2023-49832 should prioritize immediate plugin updates to versions 6.10.3 or later, which contain the necessary security patches addressing the authorization flaw. System administrators should conduct comprehensive vulnerability assessments to identify any potential exploitation attempts or unauthorized modifications within the affected plugin directory. Network monitoring solutions should be configured to detect unusual access patterns or unauthorized administrative requests targeting the vulnerable plugin endpoints. Additionally, implementing principle of least privilege access controls and regular security audits of WordPress plugins can help prevent similar issues from occurring in the future. Organizations should also consider implementing web application firewalls to provide additional protection layers against exploitation attempts targeting known vulnerabilities in popular WordPress plugins. The ATT&CK framework categorizes this vulnerability under privilege escalation techniques, specifically targeting the T1078 credential access sub-technique, highlighting the importance of proper access control implementation and regular security maintenance practices.