CVE-2022-1436 in WPCargo Track & Trace Plugin
Summary
by MITRE • 05/16/2022
The WPCargo Track & Trace WordPress plugin before 6.9.5 does not sanitise and escape the wpcargo_tracking_number parameter before outputting it back in the page, which could allow attackers to perform reflected Cross-Site Scripting attacks.
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Analysis
by VulDB Data Team • 05/18/2022
The vulnerability identified as CVE-2022-1436 affects the WPCargo Track & Trace WordPress plugin version 6.9.4 and earlier, presenting a significant security risk through reflected cross-site scripting flaws. This issue stems from inadequate input validation and output sanitization practices within the plugin's handling of the wpcargo_tracking_number parameter, creating an avenue for malicious actors to inject and execute arbitrary script code within users' browsers. The vulnerability specifically manifests when the plugin processes tracking numbers without properly sanitizing user-supplied input before rendering it back to the webpage, thereby enabling attackers to craft malicious URLs that can trigger XSS payloads when executed by unsuspecting users. The reflected nature of this vulnerability means that the malicious script code is reflected off the web server and executed in the victim's browser, making it particularly dangerous as it can be delivered through various attack vectors including phishing emails, compromised websites, or social engineering campaigns.
From a technical perspective, the flaw represents a classic reflected XSS vulnerability that falls under CWE-79, which specifically addresses Cross-Site Scripting conditions where input data is not properly sanitized before being output to web pages. The vulnerability occurs because the plugin fails to implement proper output escaping mechanisms for the wpcargo_tracking_number parameter, allowing attackers to inject malicious scripts that can execute within the context of the victim's browser session. This weakness directly violates the principle of input validation and output sanitization that forms the foundation of secure web application development practices, as outlined in OWASP Top Ten and the Web Application Security Consortium guidelines. The vulnerability can be exploited through manipulation of the tracking number parameter in the plugin's URL structure, potentially enabling attackers to steal session cookies, perform unauthorized actions on behalf of users, or redirect victims to malicious websites.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to establish persistent access to user sessions and potentially escalate privileges within the affected WordPress environment. When users visit pages containing maliciously crafted tracking numbers, their browsers execute the injected scripts, which could include malicious payloads designed to harvest sensitive information, redirect traffic, or establish command and control channels. The vulnerability particularly affects WordPress sites that rely heavily on tracking functionality, making it a prime target for attackers seeking to exploit the trust users place in legitimate tracking systems. Additionally, the reflected nature of the vulnerability means that the attack can be delivered through various channels without requiring persistent modifications to the target system, making it particularly challenging to detect and prevent through traditional security measures.
Mitigation strategies for CVE-2022-1436 should prioritize immediate patching of the affected plugin to version 6.9.5 or later, which includes proper sanitization and escaping mechanisms for the wpcargo_tracking_number parameter. Organizations should implement comprehensive input validation at multiple levels, ensuring that all user-supplied data is properly sanitized before processing and output. The security community recommends employing Content Security Policy headers to limit script execution capabilities, implementing proper output escaping for all dynamic content, and conducting regular security audits of third-party plugins to identify similar vulnerabilities. Network monitoring solutions should be configured to detect suspicious URL patterns that may indicate attempted exploitation of reflected XSS vulnerabilities, while security teams should maintain up-to-date threat intelligence feeds to identify emerging attack patterns targeting vulnerable WordPress plugins. The ATT&CK framework categorizes this vulnerability under the T1059.007 technique for Scripting, specifically targeting the execution of malicious scripts through web-based attack vectors, emphasizing the need for layered defensive measures including web application firewalls and regular security assessments to prevent exploitation of such vulnerabilities.