CVE-2022-43332 in WonderCMS
Summary
by MITRE • 11/18/2022
A cross-site scripting (XSS) vulnerability in Wondercms v3.3.4 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Site title field of the Configuration Panel.
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Analysis
by VulDB Data Team • 04/29/2025
This cross-site scripting vulnerability exists within Wondercms version 3.3.4 and represents a critical security flaw that enables attackers to inject malicious scripts into the site title configuration field. The vulnerability stems from insufficient input validation and output sanitization mechanisms within the application's configuration management interface. When administrators or users interact with the site title field in the configuration panel, the application fails to properly escape or filter special characters that could be interpreted as executable code by web browsers. This allows an attacker to craft a malicious payload containing javascript code or html elements that gets stored and subsequently executed when the page renders, creating a persistent XSS vector that can affect all users who view the compromised site title.
The technical exploitation of this vulnerability follows the typical XSS attack pattern where malicious input is not properly sanitized before being rendered back to users. The flaw resides in the application's failure to implement proper context-aware output encoding, which is a fundamental security practice that should be applied whenever user-supplied data is displayed in web interfaces. This vulnerability directly maps to CWE-79, which defines Cross-site Scripting as a weakness where untrusted data is sent to a web browser without proper validation or sanitization, allowing attackers to inject malicious scripts. The attack surface is particularly concerning as it targets the configuration panel, which typically requires administrative privileges to access, potentially allowing attackers to escalate their privileges or gain unauthorized access to sensitive system functions.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform session hijacking, steal user credentials, redirect victims to malicious sites, or even deploy additional malware. When an administrator views the compromised site title field, their browser executes the injected scripts within the context of the vulnerable application, potentially allowing attackers to access administrative functions or steal session cookies. This vulnerability particularly affects web applications that do not implement comprehensive input validation or output encoding mechanisms, making it a common weakness in content management systems where user input is frequently processed and displayed. The attack vector is relatively simple to exploit as it only requires access to the configuration panel, which may be accessible to authenticated users with limited privileges, potentially creating a pathway for privilege escalation attacks.
Organizations should immediately implement multiple layers of defense to mitigate this vulnerability, beginning with applying the vendor-provided security patch or upgrade to a patched version of Wondercms. The remediation strategy must include implementing proper input validation that rejects or sanitizes potentially malicious characters before they are stored in the database, along with output encoding that ensures all user-supplied data is properly escaped when rendered in HTML contexts. Security teams should also consider implementing content security policies that limit script execution and monitor for unusual activity patterns that might indicate exploitation attempts. The vulnerability highlights the importance of following secure coding practices as outlined in the OWASP Top 10 and the ATT&CK framework's T1059.007 technique for scripting, which emphasizes the need for comprehensive input validation and output encoding to prevent code injection attacks. Additionally, regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other parts of the application stack, ensuring that all user-controllable inputs are properly validated and sanitized before being processed or displayed.