CVE-2024-49231 in WordPress Video Plugin
Summary
by MITRE • 10/18/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in cyclop WordPress Video wordpress-video allows Stored XSS.This issue affects WordPress Video: from n/a through <= 1.0.
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Analysis
by VulDB Data Team • 04/06/2026
This vulnerability represents a critical cross-site scripting flaw in the cyclop WordPress Video plugin that enables stored XSS attacks. The weakness occurs during web page generation when user input is inadequately sanitized or escaped, creating an opening for malicious scripts to be persistently stored and executed within the plugin's interface. The vulnerability affects all versions of the WordPress Video plugin up to and including version 1.0, indicating a long-standing issue that has not been properly addressed. This type of vulnerability falls under CWE-79 which specifically addresses improper neutralization of input during web page generation, making it a classic stored XSS scenario where malicious code can be injected and subsequently executed whenever the affected page is loaded.
The operational impact of this vulnerability is severe as it allows attackers to inject malicious scripts that can execute in the context of any user who views the compromised pages. Attackers can leverage this weakness to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious sites, or even install malware. The stored nature of this XSS means that once the malicious payload is injected, it remains persistent and will be executed for every user who accesses the affected functionality. This vulnerability directly aligns with ATT&CK technique T1531 which focuses on establishing persistence through web shell or script injection, and T1059 which covers command and scripting interpreter techniques. The plugin's failure to properly sanitize user input during the web page generation process creates a persistent threat vector that can be exploited across multiple user sessions.
Mitigation strategies for this vulnerability should begin with immediate patching of the WordPress Video plugin to the latest available version that addresses this specific XSS flaw. Organizations should implement comprehensive input validation and output encoding measures to prevent any user-supplied data from being executed as code. The recommended approach includes implementing Content Security Policy headers to limit script execution, utilizing proper HTML escaping functions when rendering user content, and conducting regular security audits of all WordPress plugins. Additionally, administrators should consider implementing web application firewalls to detect and block suspicious script injection attempts. The vulnerability demonstrates the critical importance of proper input sanitization and output encoding practices, which aligns with OWASP Top Ten security principles and emphasizes the need for robust application security controls. Security teams should also monitor for any potential exploitation attempts and maintain updated threat intelligence to address emerging attack patterns targeting this specific vulnerability class.