CVE-2013-6280 in Social Sharing Toolkit plugin
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Social Sharing Toolkit plugin before 2.1.2 for WordPress allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 12/23/2024
The CVE-2013-6280 vulnerability represents a critical cross-site scripting flaw discovered in the Social Sharing Toolkit WordPress plugin, affecting versions prior to 2.1.2. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and dangerous web application security issues. The flaw enables remote attackers to inject malicious scripts into web pages viewed by other users, creating a significant risk for website administrators and their visitors. The vulnerability specifically targets the plugin's handling of user input without proper sanitization or validation, allowing attackers to execute arbitrary web scripts or HTML code within the context of the victim's browser session.
The technical implementation of this vulnerability stems from inadequate input validation mechanisms within the Social Sharing Toolkit plugin. Attackers can exploit this weakness by crafting malicious payloads that are then processed and displayed by the plugin's functionality. These payloads can be delivered through various vectors including but not limited to user comments, post content, or configuration parameters that the plugin accepts and renders without proper security filtering. The unspecified vectors mentioned in the CVE description suggest that the vulnerability may be exploitable through multiple entry points within the plugin's codebase, making it particularly challenging to defend against completely. The vulnerability essentially allows an attacker to bypass the normal security boundaries of the WordPress platform and execute code in the context of other users' browsers.
The operational impact of CVE-2013-6280 extends far beyond simple script injection, as it can lead to complete session hijacking, data theft, and further exploitation of the compromised systems. When a user visits a page containing malicious code injected through this vulnerability, their browser executes the attacker's script, potentially stealing cookies, session tokens, or other sensitive information. This type of vulnerability can be leveraged to perform account takeovers, modify website content, or redirect users to malicious sites. The attack surface is particularly concerning given that WordPress plugins are widely used and often have elevated privileges within the website environment, making successful exploitation potentially devastating for both site owners and their visitors.
Mitigation strategies for this vulnerability require immediate patching of the affected plugin to version 2.1.2 or later, which contains the necessary security fixes. Organizations should implement comprehensive security monitoring to detect potential exploitation attempts and establish robust input validation processes for all user-facing elements. The vulnerability also highlights the importance of keeping all WordPress plugins and themes up to date, as outdated components often contain known vulnerabilities that attackers actively exploit. Security professionals should consider implementing content security policies and web application firewalls as additional defensive measures. This vulnerability aligns with ATT&CK technique T1566.001 for initial access through malicious HTML email attachments and T1059.001 for command and scripting interpreter, demonstrating how XSS vulnerabilities can serve as entry points for more sophisticated attack chains. The incident underscores the necessity of regular security assessments and the implementation of secure coding practices that prevent such injection vulnerabilities from occurring in the first place.