Firelight Lightbox <= 2.3.14 - Authenticated (Contributor+) Stored Cross-Site Scripting

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2025-3597
CVSS 6.4 (Medium)
Publicly Published April 21, 2025
Last Updated May 14, 2025
Researcher Pierre Rudloff

Description

The Firelight Lightbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via posts in all versions up to, and including, 2.3.14 due to insufficient input sanitization and output escaping when the jQuery Metadata library is enabled. This makes it possible for authenticated attackers, with Contributor-level access and above, 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.

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Vulnerability Details for Firelight Lightbox

Software Type Plugin
Software Slug easy-fancybox (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.3.15, or a newer patched version
Affected Version
  • <= 2.3.14
Patched Version
  • 2.3.15

Recent vulnerabilities in Firelight Lightbox

# Title CVE ID CVSS Researchers Date
1 Firelight Lightbox <= 2.3.20 - Authenticated (Contributor+) Stored DOM Cross-Site Scripting via PDF beforeLoad 'href' Attribute CVE-2026-6454 6.4 Quốc Huy (jtwings) July 23, 2026
2 Firelight Lightbox <= 2.3.16 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-52707 6.4 Prissy June 19, 2025
3 Firelight Lightbox <= 2.3.15 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-5035 6.4 Pierre Rudloff June 6, 2025
4 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
5 Firelight Lightbox <= 2.3.3 - Authenticated (Author+) Stored Cross-Site Scripting CVE-2024-50460 6.4 Robert DeVore October 24, 2024
6 Easy Fancybox <= 1.8.17 - Authenticated Stored Cross-Site Scripting CVE-2019-16524 5.5 Jakob Hagl September 25, 2019

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