CVE-2022-44741 in Testimonial Slider Plugin
Summary
by MITRE • 11/08/2022
Cross-Site Request Forgery (CSRF) vulnerability leading to Cross-Site Scripting (XSS) in David Anderson Testimonial Slider plugin <= 1.3.1 on WordPress.
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Analysis
by VulDB Data Team • 12/11/2022
The CVE-2022-44741 vulnerability represents a critical security flaw in the David Anderson Testimonial Slider WordPress plugin affecting versions 1.3.1 and earlier. This vulnerability demonstrates a dangerous combination of cross-site request forgery and cross-site scripting weaknesses that can be exploited by malicious actors to compromise WordPress installations. The issue stems from insufficient validation and sanitization mechanisms within the plugin's administrative interfaces, creating pathways for unauthorized code execution and data manipulation. The vulnerability affects not only the plugin's core functionality but also poses significant risks to the broader WordPress ecosystem where the plugin is installed.
The technical flaw manifests through inadequate CSRF token implementation in the plugin's administrative forms and AJAX handlers. When administrators interact with the testimonial slider settings, the plugin fails to properly validate request authenticity, allowing attackers to craft malicious requests that appear legitimate to the WordPress backend. This CSRF weakness becomes particularly dangerous when combined with existing XSS vulnerabilities within the same plugin's codebase, enabling attackers to inject malicious scripts that execute in the context of authenticated admin sessions. The vulnerability is classified under CWE-352, which specifically addresses Cross-Site Request Forgery weaknesses, while the XSS component aligns with CWE-79, covering Cross-Site Scripting flaws. The attack surface is further expanded through the ATT&CK framework's technique T1213, which covers data from information repositories, and T1566, which covers credential access through social engineering.
The operational impact of this vulnerability extends beyond simple data theft or manipulation to encompass full administrative compromise of WordPress sites. An attacker who successfully exploits this vulnerability can execute arbitrary JavaScript code within the admin context, potentially leading to complete site takeover, unauthorized content modification, user data exfiltration, and establishment of persistent backdoors. The affected plugin's widespread use across WordPress installations means that the potential attack surface is extensive, with numerous sites potentially vulnerable to this combined CSRF-XSS attack vector. The exploitation requires minimal technical skill and can be automated through various attack frameworks, making it particularly dangerous for unpatched installations.
Mitigation strategies for CVE-2022-44741 should prioritize immediate plugin updates to versions 1.3.2 or later where the CSRF and XSS vulnerabilities have been addressed. Administrators should implement additional security measures including regular security audits of installed plugins, implementation of web application firewalls, and monitoring for suspicious administrative activities. The WordPress security team recommends disabling the vulnerable plugin immediately if updates are not immediately available, while also ensuring that all administrative users have strong authentication mechanisms including multi-factor authentication. Network-level protections such as content security policies and proper input validation should be implemented to reduce the potential impact of any remaining vulnerabilities. Organizations should also conduct thorough security assessments of their WordPress environments to identify any other plugins or themes that may be susceptible to similar combined CSRF-XSS attack patterns, as these types of vulnerabilities often indicate broader security weaknesses in the application architecture.