CVE-2023-52145 in Republish Old Posts Plugin
Summary
by MITRE • 01/05/2024
Cross-Site Request Forgery (CSRF) vulnerability in Marios Alexandrou Republish Old Posts.This issue affects Republish Old Posts: from n/a through 1.21.
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Analysis
by VulDB Data Team • 01/24/2024
The CVE-2023-52145 vulnerability represents a critical Cross-Site Request Forgery flaw in the Republish Old Posts WordPress plugin, specifically impacting versions ranging from n/a through 1.21. This vulnerability resides within the plugin's handling of user requests and authorization mechanisms, creating a pathway for malicious actors to execute unauthorized actions on behalf of authenticated users. The flaw stems from insufficient validation of request origins and lack of proper anti-CSRF token implementation within the plugin's administrative interfaces.
The technical exploitation of this CSRF vulnerability occurs when an authenticated administrator visits a malicious website or clicks on a crafted link that triggers unauthorized actions within the vulnerable plugin. The vulnerability manifests through the absence of anti-CSRF tokens in critical administrative endpoints, allowing attackers to forge requests that appear legitimate to the WordPress system. This weakness aligns with CWE-352, which specifically addresses Cross-Site Request Forgery vulnerabilities, and follows the ATT&CK technique T1566.002 for phishing attacks that leverage CSRF to gain unauthorized access to administrative functions.
The operational impact of this vulnerability extends beyond simple data manipulation, as it could enable attackers to modify or delete published content, alter plugin configurations, or potentially escalate privileges within the WordPress environment. An attacker could leverage this vulnerability to republish posts with malicious content, modify existing posts, or disable the plugin functionality entirely. The attack vector typically involves social engineering tactics where administrators are诱导ed to visit compromised websites or click on malicious links while authenticated to the target WordPress site. This vulnerability particularly affects sites where administrators frequently access the plugin's administrative interface and where the plugin's functionality is critical to content management operations.
Mitigation strategies for CVE-2023-52145 should prioritize immediate plugin updates to versions that address the CSRF implementation gaps, following the principle of least privilege by restricting administrative access to trusted networks and implementing multi-factor authentication. Security hardening measures include implementing Content Security Policy headers, ensuring proper session management, and regularly auditing plugin permissions and capabilities. Organizations should also conduct comprehensive security assessments of their WordPress installations, including vulnerability scanning and penetration testing to identify similar CSRF vulnerabilities across other plugins and themes. The remediation process should involve monitoring for suspicious administrative activities and implementing web application firewalls to detect and block suspicious request patterns that may indicate CSRF attacks. Additionally, administrators should establish regular security training programs to educate users about recognizing phishing attempts and social engineering attacks that exploit CSRF vulnerabilities.