CVE-2024-47623 in Gallery Lightbox Plugin
Summary
by MITRE • 10/05/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GhozyLab Gallery Lightbox gallery-lightbox-slider allows Stored XSS.This issue affects Gallery Lightbox: from n/a through <= 1.0.0.39.
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Analysis
by VulDB Data Team • 04/05/2026
This vulnerability represents a critical cross-site scripting flaw in the GhozyLab Gallery Lightbox plugin, specifically within the gallery-lightbox-slider component. The issue manifests as an improper neutralization of input during web page generation, creating an environment where malicious scripts can be persistently stored and executed. The vulnerability exists in versions prior to and including 1.0.0.39, indicating a long-standing security gap that has affected users for an extended period. This type of vulnerability falls under CWE-79 which specifically addresses cross-site scripting flaws, and aligns with ATT&CK technique T1566.001 for initial access through malicious content.
The technical implementation of this stored XSS vulnerability occurs when user input is not properly sanitized or escaped before being rendered in web pages. Attackers can inject malicious JavaScript code through input fields or parameters that are then stored in the application's database or storage mechanisms. When other users view the affected gallery pages, the malicious code executes in their browsers, potentially leading to session hijacking, credential theft, or further compromise of the victim's system. The stored nature of this vulnerability means that the malicious payload persists even after the initial injection, making it particularly dangerous as it can affect multiple users over time.
The operational impact of this vulnerability extends beyond simple script execution, creating potential for significant security breaches within WordPress environments. Attackers could leverage this flaw to gain unauthorized access to user accounts, modify gallery content, or redirect users to malicious websites. The vulnerability affects the core functionality of the gallery plugin, which is commonly used for displaying images and media content, making it a prime target for exploitation. Organizations using this plugin are at risk of having their users' browsers compromised, potentially leading to data breaches, unauthorized modifications, or as a stepping stone for more extensive attacks within the compromised WordPress environment.
Mitigation strategies for this vulnerability should prioritize immediate plugin updates to versions that address the XSS flaw, following the vendor's security advisory. Additionally, administrators should implement input validation and output escaping mechanisms to prevent similar issues in the future. Security monitoring should include regular scanning for vulnerable plugins and maintaining updated security measures. The vulnerability demonstrates the importance of proper input sanitization and output encoding practices, which are fundamental to preventing XSS attacks according to OWASP security guidelines. Organizations should also consider implementing content security policies and regular security audits to identify and remediate similar vulnerabilities across their web applications.