Responsive Lightbox & Gallery < 2.6.1 - Unauthenticated Stored Cross-Site Scripting

7.2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2025-15386
CVSS 7.2 (High)
Publicly Published February 3, 2026
Last Updated May 4, 2026
Researcher stealthcopter

Description

The Responsive Lightbox & Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to 2.6.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

References

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Vulnerability Details for Responsive Lightbox & Gallery

Software Type Plugin
Software Slug responsive-lightbox (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.6.1, or a newer patched version
Affected Version
  • < 2.6.1
Patched Version
  • 2.6.1

Recent vulnerabilities in Responsive Lightbox & Gallery

# Title CVE ID CVSS Researchers Date
1 Responsive Lightbox & Gallery <= 2.7.6 - Unauthenticated Stored Cross-Site Scripting CVE-2026-56041 7.2 Nguyen Ba Khanh June 24, 2026
2 Responsive Lightbox & Gallery <= 2.7.1 - Authenticated (Author+) Server-Side Request Forgery via Remote Library Image Upload CVE-2026-2479 5.0 lucsob February 24, 2026
3 Responsive Lightbox & Gallery <= 2.5.3 - Authenticated (Author+) Server-Side Request Forgery CVE-2025-12359 5.4 Dmitrii Ignatyev November 18, 2025
4 Responsive Lightbox & Gallery <= 2.5.2 - Unauthenticated Stored Cross-Site Scripting CVE-2025-9710 7.2 stealthcopter September 15, 2025
5 Responsive Lightbox & Gallery <= 2.5.1 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-5093 6.4 Pierre Rudloff June 6, 2025
6 Responsive Lightbox & Gallery <= 2.5.0 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-3742 6.4 Pierre Rudloff April 24, 2025
7 Multiple Plugins <= (Various Versions) - Authenticated (Contributor+) Stored DOM-Based Cross-Site Scripting via Featherlight.js JavaScript Library CVE-2024-5667 6.4 Webbernaut March 4, 2025
8 Multiple Plugins <= (Various Versions) - Authenticated (Contributor+) Stored DOM-Based Cross-Site Scripting via FancyBox JavaScript Library CVE-2024-5020 6.4 Webbernaut December 3, 2024
9 Responsive Lightbox <= 2.4.8 - Authenticated (Author+) Stored Cross-Site Scripting CVE-2024-49282 6.4 Robert DeVore October 15, 2024
10 Responsive Lightbox <= 2.4.7 - Missing Authorization CVE-2024-43924 5.3 Rafie Muhammad August 26, 2024

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