CVE-2014-8622 in Compfight
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in compfight-search.php in the Compfight plugin 1.4 for WordPress allows remote authenticated users to inject arbitrary web script or HTML via the search-value parameter.
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Analysis
by VulDB Data Team • 04/03/2022
The CVE-2014-8622 vulnerability represents a critical cross-site scripting flaw within the Compfight plugin version 1.4 for WordPress systems. This security weakness specifically targets the compfight-search.php script and enables malicious actors to execute arbitrary web scripts or HTML code through manipulation of the search-value parameter. The vulnerability is particularly concerning because it affects authenticated users, meaning that attackers who have gained legitimate access to a WordPress site can leverage this flaw to compromise the application further.
The technical implementation of this XSS vulnerability stems from inadequate input validation and output sanitization within the plugin's search functionality. When the search-value parameter is processed by compfight-search.php, the plugin fails to properly escape or encode user-supplied input before rendering it in the web page context. This allows attackers to inject malicious payloads that execute in the browsers of other users who view the affected search results. The vulnerability is classified under CWE-79 as a failure to sanitize or incorrectly sanitizes user-provided data, making it a classic example of client-side code injection.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable sophisticated attack vectors including session hijacking, credential theft, and redirection to malicious sites. Authenticated users who perform searches within the Compfight plugin interface become potential victims of this attack, as their browsers will execute any malicious code injected through the search parameter. This creates a persistent threat vector that can be exploited repeatedly, especially in environments where multiple users interact with the compromised WordPress site. The vulnerability's presence in a widely used plugin increases the attack surface and potential for widespread exploitation across numerous WordPress installations.
Mitigation strategies for CVE-2014-8622 should prioritize immediate plugin updates to versions that address the XSS vulnerability, as the original Compfight plugin version 1.4 contained this flaw. Security administrators should implement comprehensive input validation and output encoding practices to prevent similar issues in custom applications. The ATT&CK framework categorizes this vulnerability under T1566 as a credential access technique, highlighting its potential for broader exploitation beyond simple XSS. Additionally, network monitoring should be enhanced to detect anomalous search patterns that might indicate exploitation attempts, while web application firewalls can provide additional layers of protection against malicious input injection. Regular security audits and vulnerability assessments should be conducted to identify and remediate similar issues in other WordPress plugins and themes to prevent cascading security failures across the platform ecosystem.