CVE-2025-3098 in Video Url Plugin
Summary
by MITRE • 04/02/2025
The Video Url plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'id' parameter in all versions up to, and including, 1.0.0.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
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Analysis
by VulDB Data Team • 04/02/2025
The Video Url plugin for WordPress presents a critical reflected cross-site scripting vulnerability identified as CVE-2025-3098 affecting all versions through 1.0.0.3. This vulnerability stems from inadequate input validation and insufficient output escaping mechanisms within the plugin's codebase. The flaw specifically manifests through the 'id' parameter which is improperly handled when processing user-supplied input, creating an avenue for malicious script injection attacks. The vulnerability operates at the intersection of CWE-79 which categorizes cross-site scripting flaws, and represents a classic reflected XSS vulnerability where malicious payloads are reflected back to users through web application responses. The attack vector requires minimal privileges as the vulnerability is accessible to unauthenticated attackers, making it particularly dangerous in environments where users frequently interact with web content.
The technical implementation of this vulnerability occurs when the plugin processes the 'id' parameter without proper sanitization of user input, allowing malicious scripts to be embedded directly into the plugin's response. When an unsuspecting user visits a specially crafted URL containing malicious script code within the 'id' parameter, the script executes in the user's browser context within the WordPress environment. This execution occurs because the plugin fails to properly escape output before rendering it to web pages, creating a persistent threat vector that can be exploited across multiple user sessions. The vulnerability's impact extends beyond simple script execution as it can potentially enable more sophisticated attacks including session hijacking, credential theft, or redirection to malicious sites. The reflected nature of the vulnerability means that the malicious script must be delivered through an external source, typically via phishing emails or compromised websites that lure users into clicking malicious links.
The operational impact of CVE-2025-3098 poses significant risks to WordPress installations utilizing the Video Url plugin, particularly in enterprise environments where user trust and security are paramount. Attackers can leverage this vulnerability to execute arbitrary code in users' browsers, potentially compromising user sessions and accessing sensitive information. The vulnerability's exploitation requires minimal technical skill and can be automated through social engineering campaigns, making it an attractive target for threat actors. Organizations using this plugin face potential data breaches, reputation damage, and compliance violations, as reflected XSS attacks are frequently categorized as high-severity threats in industry security frameworks. The vulnerability can also facilitate more advanced attack chains where the initial XSS payload serves as a foothold for subsequent exploitation attempts, potentially leading to complete system compromise.
Mitigation strategies for CVE-2025-3098 should prioritize immediate plugin updates to the latest available version where the vulnerability has been addressed through proper input sanitization and output escaping. System administrators must implement comprehensive input validation mechanisms that filter and sanitize all user-supplied parameters before processing, particularly focusing on the 'id' parameter in this context. The implementation of Content Security Policy headers can provide additional defense-in-depth measures by restricting script execution and preventing unauthorized code injection. Regular security audits should include verification of plugin integrity and monitoring for unauthorized modifications to WordPress installations. Network-based solutions such as web application firewalls can provide additional protection by identifying and blocking malicious requests containing known XSS patterns. Organizations should also establish incident response procedures specifically addressing XSS vulnerabilities, including user education on recognizing phishing attempts and suspicious links that may exploit this vulnerability. The ATT&CK framework categorizes this vulnerability under T1059.007 for scripting and T1566 for phishing, emphasizing the need for comprehensive security controls that address both technical and social engineering aspects of the threat.