CVE-2025-15636
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk4th percentile - higher than 4% of all known CVEs
Summary
The YouTube Showcase plugin for WordPress is vulnerable to Stored XSS due to improper neutralization of input during web page generation. This issue affects versions from n/a through 3.5.1.
Risk Assessment
Attackers can inject malicious scripts that execute in the user's browser, leading to session theft or other attacks. This can harm site users and the organization's reputation.
Recommendation
Update the YouTube Showcase plugin to a version later than 3.5.1. Regularly review and update all WordPress plugins to minimize risk.
Other vulnerabilities in YouTube Showcase
See all- CVE-2026-15790Medium
The Youtube Showcase plugin for WordPress up to version 4.0.4 is vulnerable to Stored Cross-Site Scripting via the 'emd_mb_meta' shortcode. Attachment titles are interpolated into HTML attributes without proper escaping, allowing authenticated attackers with author-level access and above to inject arbitrary scripts.
- CVE-2026-12923High
The Youtube Showcase plugin for WordPress up to version 4.0.3 is vulnerable to arbitrary PHP function call due to insufficient validation of the 'path' parameter in the emd_delete_file() AJAX handler. Authenticated attackers with Subscriber-level access or higher can invoke zero-argument functions like phpinfo or phpversion, leading to information disclosure.
Original NVD description (English source)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in emarket-design YouTube Showcase youtube-showcase allows Stored XSS.This issue affects YouTube Showcase: from n/a through <= 3.5.1.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS