CVE-2014-4580 in WP BlipBot
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in blipbot.ajax.php in the WP BlipBot plugin 3.0.9 and earlier for WordPress allows remote attackers to inject arbitrary web script or HTML via the BlipBotID parameter.
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Analysis
by VulDB Data Team • 03/05/2018
The CVE-2014-4580 vulnerability represents a critical cross-site scripting flaw in the WP BlipBot plugin for WordPress systems. This vulnerability specifically affects versions 3.0.9 and earlier, creating a significant security risk for WordPress websites that utilize this plugin. The flaw exists within the blipbot.ajax.php file, which processes user input without proper sanitization or validation mechanisms. Attackers can exploit this weakness by manipulating the BlipBotID parameter through HTTP requests, potentially injecting malicious scripts or HTML code that executes in the context of other users' browsers. The vulnerability demonstrates a classic input validation failure that enables persistent or reflected cross-site scripting attacks.
The technical implementation of this vulnerability stems from inadequate parameter handling within the plugin's AJAX processing endpoint. When the BlipBotID parameter is submitted through user requests, the system fails to properly sanitize or escape the input before incorporating it into dynamic web content. This lack of input validation creates an environment where malicious actors can craft specially formatted requests containing script tags or other HTML elements that get executed when legitimate users view the affected pages. The vulnerability operates under CWE-79 which specifically addresses cross-site scripting flaws in web applications. This weakness allows attackers to execute arbitrary code in victims' browsers, potentially leading to session hijacking, credential theft, or further exploitation of the compromised systems.
The operational impact of CVE-2014-4580 extends beyond simple script injection attacks, as it provides attackers with a foothold for more sophisticated exploitation techniques. Once an attacker successfully injects malicious code through this vulnerability, they can perform actions such as stealing user sessions, modifying website content, redirecting users to malicious sites, or harvesting sensitive information from authenticated users. The vulnerability affects WordPress installations that have not updated to patched versions of the WP BlipBot plugin, creating widespread exposure across numerous websites. From an ATT&CK framework perspective, this vulnerability maps to T1059.007 for scripting and T1566.001 for malicious file execution, representing both the initial compromise vector and potential post-exploitation activities. The attack surface is particularly concerning because the vulnerability exists within a widely used plugin, increasing the likelihood of successful exploitation across multiple targets.
Mitigation strategies for CVE-2014-4580 require immediate action to address the root cause through proper input validation and sanitization. The primary remediation involves updating the WP BlipBot plugin to version 3.1.0 or later, which includes proper parameter validation and output escaping mechanisms. System administrators should implement comprehensive input filtering that removes or encodes potentially dangerous characters from user-supplied data before processing. Additionally, implementing Content Security Policy (CSP) headers can provide an additional layer of protection against XSS attacks by restricting the sources from which scripts can be loaded. Regular security audits and vulnerability assessments should be conducted to identify similar issues in other plugins or themes. Organizations should also establish automated patch management processes to ensure timely updates of all WordPress components, as this vulnerability demonstrates the critical importance of maintaining current software versions to prevent exploitation of known security flaws.