CVE-2022-4099 in Joy Of Text Lite Plugin
Summary
by MITRE • 01/03/2023
The Joy Of Text Lite WordPress plugin before 2.3.1 does not properly sanitise and escape some parameters before using them in SQL statements accessible to unauthenticated users, leading to unauthenticated SQL injection
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Analysis
by VulDB Data Team • 04/10/2025
The Joy Of Text Lite WordPress plugin vulnerability represents a critical security flaw that affects versions prior to 2.3.1, exposing unauthenticated users to potential SQL injection attacks. This vulnerability resides within the plugin's handling of user-supplied parameters that are directly incorporated into SQL queries without proper sanitization or escaping mechanisms. The flaw allows malicious actors to manipulate database queries through crafted input, potentially gaining unauthorized access to sensitive information or executing arbitrary commands on the affected system.
The technical implementation of this vulnerability stems from improper input validation within the plugin's database interaction code. When unauthenticated users submit parameters to specific endpoints, these inputs are directly concatenated into SQL statements without appropriate sanitization measures. This design flaw creates an environment where attackers can inject malicious SQL code through parameter manipulation, bypassing normal authentication requirements. The vulnerability specifically impacts the plugin's handling of data that should be treated as user input and processed through secure database interfaces.
The operational impact of this vulnerability extends beyond simple data exposure, as it provides attackers with the capability to perform unauthorized database operations. An attacker could potentially extract sensitive user credentials, personal information, or administrative data from the WordPress database. The unauthenticated nature of the exploit means that no prior login credentials are required, making this vulnerability particularly dangerous as it can be exploited by anyone with access to the affected website. This weakness undermines the fundamental security assumptions of the WordPress platform and could lead to complete system compromise if combined with other vulnerabilities.
Mitigation strategies for this vulnerability primarily focus on immediate plugin updates to version 2.3.1 or later, which contain the necessary sanitization and escaping mechanisms. Organizations should also implement proper input validation at multiple layers of their application architecture, ensuring that all user-supplied data is properly escaped before database insertion. Network monitoring solutions should be configured to detect unusual database query patterns that might indicate SQL injection attempts. Additionally, implementing web application firewalls and database activity monitoring can provide additional defense-in-depth measures. This vulnerability aligns with CWE-89 which specifically addresses SQL injection flaws, and maps to ATT&CK technique T1190 for exploitation of vulnerabilities in web applications. Regular security audits and vulnerability assessments should be conducted to identify similar issues in other plugins or custom code implementations.