CVE-2025-23809 in Blue Wrench Video Widget Plugin
Summary
by MITRE • 01/22/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NotFound Blue Wrench Video Widget allows Reflected XSS. This issue affects Blue Wrench Video Widget: from n/a through 2.1.0.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 02/09/2025
The CVE-2025-23809 vulnerability represents a critical cross-site scripting flaw within the NotFound Blue Wrench Video Widget plugin, specifically targeting versions ranging from an unspecified initial state through 2.1.0. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which occurs when web applications fail to properly sanitize user input before incorporating it into dynamically generated web pages. The flaw manifests as a reflected XSS vulnerability, meaning that malicious input is immediately reflected back to users through the web application's response without adequate sanitization or encoding measures. The vulnerability is particularly concerning because it allows attackers to inject malicious scripts into web pages viewed by other users, potentially enabling session hijacking, credential theft, or other malicious activities.
The technical implementation of this vulnerability stems from the plugin's failure to adequately neutralize user-supplied input during the web page generation process. When users interact with the video widget component, the application accepts parameters or data from external sources without proper validation or sanitization. This lack of input sanitization creates an opening for attackers to craft malicious payloads that exploit the reflected XSS mechanism. The reflected nature of this vulnerability means that the malicious script is not stored on the server but is instead reflected off the web server in response to a user's request, making it particularly effective for phishing attacks or social engineering campaigns where attackers can craft URLs designed to exploit the vulnerability.
The operational impact of this vulnerability extends beyond simple script injection, as it can be leveraged to compromise user sessions and potentially escalate privileges within affected systems. Attackers can craft malicious URLs containing script payloads that, when clicked by unsuspecting users, execute in the context of the victim's browser session. This could enable unauthorized access to user accounts, data exfiltration, or even the modification of web content. The vulnerability affects all versions of the Blue Wrench Video Widget plugin up to and including version 2.1.0, indicating that a significant portion of users may be exposed to this risk. Organizations running WordPress sites with this plugin installed face a substantial security risk, particularly in environments where users have varying levels of access or where sensitive data is processed through the affected component.
Mitigation strategies for CVE-2025-23809 should prioritize immediate plugin updates to versions that address the XSS vulnerability. System administrators should also implement additional defensive measures including input validation, output encoding, and the implementation of Content Security Policies to prevent script execution. The vulnerability aligns with ATT&CK technique T1566.001 for initial access through spearphishing attachments or links, and T1059.007 for command and scripting interpreter through PowerShell or other scripting interfaces. Organizations should also consider implementing web application firewalls to detect and block malicious payloads attempting to exploit this vulnerability. Regular security audits and vulnerability assessments should be conducted to identify similar issues within other plugins or components of the web application stack. The affected plugin developers should be notified immediately to ensure proper patching and to prevent further exploitation of this vulnerability across the user base.