CVE-2025-28890 in Lightview Plus Plugin
Summary
by MITRE • 03/26/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NotFound Lightview Plus allows Reflected XSS. This issue affects Lightview Plus: from n/a through 3.1.3.
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Analysis
by VulDB Data Team • 03/26/2025
The vulnerability identified as CVE-2025-28890 represents a critical cross-site scripting flaw within the NotFound Lightview Plus plugin, specifically impacting versions ranging from an unspecified beginning point through version 3.1.3. This weakness resides in the improper neutralization of input during web page generation processes, creating a persistent security risk for affected systems. The vulnerability manifests as a reflected cross-site scripting attack vector, where malicious input is reflected back to users through the vulnerable application interface. The flaw stems from inadequate sanitization of user-supplied data that is subsequently incorporated into dynamically generated web content without proper encoding or validation measures. This allows attackers to inject malicious scripts that execute in the context of other users' browsers, potentially compromising user sessions and accessing sensitive information. The vulnerability directly maps to CWE-79, which specifically addresses the improper neutralization of input during web page generation, a well-documented weakness in web application security. From an operational perspective, this reflected XSS vulnerability poses significant risks to organizations utilizing the Lightview Plus plugin, as it enables attackers to execute arbitrary JavaScript code within user browsers. The attack typically involves crafting malicious URLs or input parameters that, when processed by the vulnerable plugin, get reflected back to users in the web page output. This creates opportunities for session hijacking, credential theft, data exfiltration, and potential lateral movement within compromised networks. The impact extends beyond individual user compromise to potentially affect entire user bases, especially if the vulnerable plugin is widely deployed across multiple sites or organizations. The reflected nature of this XSS vulnerability means that attackers can exploit it through social engineering techniques, sending malicious links to victims who, upon clicking them, become infected with the malicious script. This attack vector aligns with ATT&CK technique T1566.001, which covers the use of spearphishing with links, and T1531, which involves use of web shell. Organizations should immediately assess their deployment of Lightview Plus versions within the affected range and implement comprehensive mitigation strategies. The primary remediation approach involves updating to the latest available version of the plugin that contains the patched XSS vulnerability. Additionally, implementing proper input validation and output encoding mechanisms can provide defense-in-depth protection against similar vulnerabilities. Security headers such as Content Security Policy should be configured to limit script execution and reduce the impact of potential XSS attacks. Regular security assessments and penetration testing should be conducted to identify and remediate similar vulnerabilities in web applications and plugins. The vulnerability underscores the critical importance of maintaining up-to-date security patches and implementing robust input validation practices across all web application components. Organizations must also consider implementing web application firewalls and monitoring systems to detect and prevent exploitation attempts targeting known XSS vulnerabilities. This incident highlights the ongoing need for security awareness training and proper secure coding practices to prevent the introduction of such flaws during software development phases. The vulnerability serves as a reminder of the persistent threat landscape in web application security and the necessity of continuous monitoring and proactive security measures to protect against evolving attack vectors.