CVE-2014-100026 in April's Super Functions Pack
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in readme.php in the April s Super Functions Pack plugin before 1.4.8 for WordPress allows remote attackers to inject arbitrary web script or HTML via the page parameter. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 12/20/2024
The CVE-2014-100026 vulnerability represents a critical cross-site scripting flaw discovered in the April s Super Functions Pack WordPress plugin, affecting versions prior to 1.4.8. This vulnerability resides within the readme.php file and demonstrates a classic input validation weakness that enables remote attackers to execute malicious web scripts or HTML code within the context of affected websites. The vulnerability specifically exploits the improper handling of the page parameter, which serves as an entry point for malicious input injection. This type of vulnerability falls under the Common Weakness Enumeration category CWE-79, which defines "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')" as a fundamental web application security flaw that allows attackers to inject client-side scripts into web pages viewed by other users.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL containing crafted script code within the page parameter and delivers it to unsuspecting users through various attack vectors such as email phishing campaigns, social media manipulation, or compromised websites. When a victim clicks on the malicious link, the crafted script executes in their browser within the context of the vulnerable WordPress site, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The vulnerability's impact is amplified by the fact that it affects a plugin that likely provides administrative functionality, potentially allowing attackers to escalate privileges or gain deeper access to the compromised WordPress installation. This vulnerability aligns with ATT&CK technique T1566.001, which covers 'Phishing: Spearphishing Attachment', as attackers can leverage this flaw to deliver malicious payloads through seemingly legitimate plugin documentation pages.
The operational consequences of this vulnerability extend beyond simple script injection, as it can serve as a stepping stone for more sophisticated attacks within the WordPress ecosystem. Attackers can leverage the XSS vulnerability to manipulate the plugin's functionality, potentially altering the behavior of the affected WordPress site or harvesting sensitive information from authenticated users. The vulnerability's persistence in the readme.php file suggests that it may be accessible to unauthenticated users, making it particularly dangerous as it does not require prior authentication to exploit. Organizations running vulnerable versions of this plugin face significant risk of data breaches, as the vulnerability can be exploited to capture user sessions, modify content, or redirect users to malicious domains. The lack of proper input sanitization in the plugin's parameter handling demonstrates a failure in implementing secure coding practices, specifically the principle of least privilege and input validation. This vulnerability underscores the importance of regular security updates and the need for comprehensive security testing of third-party WordPress plugins, as the affected plugin appears to have been vulnerable for an extended period without proper mitigation. The vulnerability's classification as a persistent security flaw highlights the critical nature of maintaining up-to-date software components and implementing robust security controls to prevent exploitation of known vulnerabilities.