CVE-2006-10001 in Subscribe to Comments Plugin
Summary
by MITRE • 03/05/2023
A vulnerability, which was classified as problematic, was found in Subscribe to Comments Plugin up to 2.0.7. This affects an unknown part of the file subscribe-to-comments.php. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. Upgrading to version 2.0.8 is able to address this issue. The name of the patch is 9683bdf462fcac2f32b33be98f0b96497fbd1bb6. It is recommended to upgrade the affected component. The identifier VDB-222321 was assigned to this vulnerability.
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Analysis
by VulDB Data Team • 04/27/2025
The vulnerability identified as CVE-2006-10001 represents a cross site scripting flaw within the Subscribe to Comments WordPress plugin, specifically affecting versions up to 2.0.7. This security issue resides within the subscribe-to-comments.php file and demonstrates a classic web application vulnerability that allows malicious actors to inject arbitrary JavaScript code into web pages viewed by other users. The vulnerability's classification as problematic indicates its potential to cause significant harm to web applications and their users, particularly given the widespread use of WordPress and its plugins. The issue's remote exploitation capability means that attackers can initiate attacks without requiring physical access to the target system, making it particularly dangerous in web environments where user interaction is common.
The technical nature of this cross site scripting vulnerability stems from inadequate input validation and output sanitization within the plugin's codebase. When users interact with the subscription functionality, the plugin fails to properly escape or filter user-supplied data before rendering it in web pages, creating an opening for malicious script injection. This flaw directly aligns with CWE-79, which defines cross site scripting as a vulnerability where untrusted data is incorporated into web pages without proper validation or escaping. The vulnerability operates by allowing attackers to inject malicious JavaScript code through input fields or parameters that are then executed in the browsers of unsuspecting users who visit pages containing the compromised content.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform various malicious activities including session hijacking, credential theft, and redirection to malicious websites. Users who visit pages utilizing the vulnerable plugin may unknowingly execute malicious code that can capture their session cookies, effectively compromising their authentication state. The remote exploitation capability means that attackers can leverage this vulnerability from anywhere on the internet, making it particularly attractive for large-scale attacks. Additionally, the vulnerability's presence in a widely used plugin like Subscribe to Comments increases the potential attack surface significantly, as many WordPress installations may be affected without administrators being aware of the specific vulnerability.
The recommended mitigation strategy involves upgrading to version 2.0.8 of the Subscribe to Comments plugin, which contains the necessary patch to address the cross site scripting vulnerability. The specific patch identifier 9683bdf462fcac2f32b33be98f0b96497fbd1bb6 represents the changes implemented by the developers to resolve the security issue. This upgrade process should be performed as a priority for all affected installations, as the vulnerability represents a clear and present danger to web application security. Organizations should also consider implementing additional security measures such as web application firewalls, input validation controls, and regular security audits to prevent similar vulnerabilities from occurring in other components of their web applications. The ATT&CK framework categorizes this vulnerability under the T1059.007 technique, which involves the use of scripting languages for execution, further emphasizing the need for comprehensive security measures beyond simple patch management.