Video Gallery – YouTube Gallery & Responsive Video Playlist <= 3.5.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2025-15636
CVSS 6.4 (Medium)
Publicly Published April 15, 2026
Last Updated April 21, 2026
Researcher Muhammad Yudha - DJ

Description

The Video Gallery – YouTube Gallery & Responsive Video Playlist plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.5.1 due to insufficient input sanitization and output escaping. 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 Video Gallery – YouTube Gallery, Playlist & Video Grid

Software Type Plugin
Software Slug youtube-showcase (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.5.2, or a newer patched version
Affected Version
  • <= 3.5.1
Patched Version
  • 3.5.2

Recent vulnerabilities in Video Gallery – YouTube Gallery, Playlist & Video Grid

# Title CVE ID CVSS Researchers Date
1 Video Gallery <= 4.0.4 - Authenticated (Author+) Stored Cross-Site Scripting via Attachment 'post_title' via emd_mb_meta Shortcode CVE-2026-15790 6.4 Wordfence PRISM August 15, 2026
2 Video Gallery <= 4.0.3 - Authenticated (Subscriber+) Arbitrary Function Call via 'path' Parameter CVE-2026-12923 7.5 Wordfence PRISM June 30, 2026
3 Multiple Plugins by eMarket Design <= Various Versions - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-58915 6.4 Muhammad Yudha - DJ September 23, 2025
4 YouTube Showcase <= 3.5.1 - Unauthenticated PHP Object Injection CVE-2025-54731 8.1 Martino Spagnuolo August 25, 2025
5 Multiple Plugins by emarket-design <= Multiple Versions - Unauthenticated Limited Remote Code Execution CVE-2025-8420 8.1 mikemyers, theviper17y August 5, 2025
6 YouTube Video Gallery by YouTube Showcase – Video Gallery Plugin for WordPress <= 3.3.6 - Missing Authorization to Arbitrary Post/Page Creation CVE-2024-3268 5.3 Lucio Sá May 20, 2024
7 Video Gallery & Management <= 3.3.5 - Cross-Site Request Forgery CVE-2023-40558 4.3 thiennv August 16, 2023

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