CVE-2022-4050 in JoomSport Plugin
Summary
by MITRE • 12/19/2022
The JoomSport WordPress plugin before 5.2.8 does not properly sanitise and escape a parameter before using it in a SQL statement, leading to a SQL injection exploitable by unauthenticated users
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Analysis
by VulDB Data Team • 01/15/2023
The CVE-2022-4050 vulnerability affects the JoomSport WordPress plugin version 5.2.7 and earlier, representing a critical SQL injection flaw that undermines database security. This vulnerability resides within the plugin's handling of user input parameters, specifically in how it processes data before incorporating it into SQL queries. The flaw allows unauthenticated attackers to execute arbitrary SQL commands against the affected WordPress site's database, potentially leading to complete system compromise. The vulnerability stems from inadequate input validation and sanitization practices, where the plugin fails to properly escape or sanitize user-supplied data before using it in database operations.
The technical implementation of this vulnerability involves the plugin's failure to employ proper parameterized queries or adequate input sanitization mechanisms when processing external data. Attackers can exploit this weakness by crafting malicious input parameters that bypass normal validation checks and inject malicious SQL payloads directly into the database layer. This type of vulnerability aligns with CWE-89, which specifically addresses SQL injection flaws where untrusted data is incorporated into SQL commands without proper sanitization. The impact is particularly severe because the vulnerability is exploitable by unauthenticated users, meaning any visitor to the website can potentially leverage this flaw without requiring valid credentials or privileged access.
From an operational perspective, this vulnerability presents a significant risk to WordPress site administrators and their users. The unauthenticated nature of the exploit means that attackers can probe for and exploit the vulnerability without detection, making it particularly dangerous in environments where sites are not actively monitored for such attacks. Successful exploitation could result in data theft, database corruption, unauthorized access to user accounts, and potential lateral movement within network infrastructure. The vulnerability affects the core database integrity and can lead to complete system compromise, especially when combined with other exploitation techniques or when the database contains sensitive information. Security frameworks like the ATT&CK matrix categorize this as a database access technique where adversaries leverage injection flaws to manipulate or extract data from backend systems.
Mitigation strategies for CVE-2022-4050 require immediate action to upgrade the JoomSport plugin to version 5.2.8 or later, which includes proper input sanitization and parameterized query implementations. System administrators should also implement network-level protections such as web application firewalls and intrusion detection systems to monitor for exploitation attempts. Additionally, regular security audits and input validation testing should be conducted to identify similar vulnerabilities in other plugins or custom code. Organizations should enforce principle of least privilege for database accounts and implement proper database logging to detect unauthorized access attempts. The vulnerability underscores the importance of keeping all WordPress plugins updated and following secure coding practices that prevent injection attacks through proper parameterization and input validation.