CVE-2013-2501 in Terillion Reviews plugin
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Terillion Reviews plugin before 1.2 for WordPress allows remote attackers to inject arbitrary web script or HTML via the ProfileId field.
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Analysis
by VulDB Data Team • 03/30/2025
The CVE-2013-2501 vulnerability represents a classic cross-site scripting flaw within the Terillion Reviews plugin for WordPress, specifically affecting versions prior to 1.2. This vulnerability resides in the plugin's handling of user input through the ProfileId field, creating a persistent security weakness that enables malicious actors to execute arbitrary web scripts or HTML code within the context of affected websites. The issue manifests when the plugin fails to properly sanitize or validate input data submitted through this particular parameter, allowing attackers to inject malicious payloads that can be executed by other users visiting the affected pages.
The technical implementation of this vulnerability aligns with CWE-79, which categorizes cross-site scripting as a code injection flaw occurring when untrusted data is incorporated into web pages without proper validation or escaping. In the context of WordPress plugins, this flaw demonstrates how third-party components can introduce security weaknesses that extend beyond the core platform's defenses. The ProfileId field serves as the attack vector where malicious input can be inserted, typically through form submissions or URL parameters, bypassing the standard WordPress sanitization mechanisms that should normally protect against such attacks.
The operational impact of this vulnerability extends beyond simple script injection, as it provides attackers with the capability to perform session hijacking, deface websites, steal user credentials, or redirect visitors to malicious domains. When exploited, the vulnerability can compromise the integrity of the entire WordPress installation, particularly affecting sites that rely heavily on user-generated content or reviews. The attack surface becomes particularly dangerous in environments where multiple users interact with the plugin, as the malicious payload can affect any visitor who encounters the compromised content, potentially leading to widespread security breaches across the affected website's user base.
Mitigation strategies for CVE-2013-2501 should prioritize immediate plugin updates to version 1.2 or later, which contain the necessary patches to properly sanitize input fields. Security professionals should implement additional layers of protection including input validation at multiple points, output escaping for all dynamic content, and regular security audits of installed plugins. The vulnerability also highlights the importance of adhering to the principle of least privilege and implementing web application firewalls to detect and block suspicious input patterns. Organizations should conduct regular vulnerability assessments and maintain updated threat intelligence to identify similar flaws in other third-party components that may present analogous security risks. This case study exemplifies how seemingly minor input validation gaps in plugins can create significant security exposure, emphasizing the critical need for comprehensive security testing throughout the software development lifecycle and proper security hardening practices for all web applications.