Html5 Video Player <= 2.5.18 - Authenticated (Subscriber+) Stored Cross-Site Scripting

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2023-6485
CVSS 6.4 (Medium)
Publicly Published December 8, 2023
Last Updated May 30, 2024
Researcher Krzysztof Zając - CERT PL

Description

The Html5 Video Player – mp4 player, Video Player for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 2.5.18 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level permissions 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 HTML5 Video Player – embed fast, responsive videos with ease

Software Type Plugin
Software Slug html5-video-player (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.5.19, or a newer patched version
Affected Version
  • <= 2.5.18
Patched Version
  • 2.5.19

Recent vulnerabilities in HTML5 Video Player – embed fast, responsive videos with ease

# Title CVE ID CVSS Researchers Date
1 HTML5 Video Player – Embed and Play Videos in Custom Player <= 2.11.0 - Missing Authorization CVE-2026-57323 5.3 Nabil Irawan June 26, 2026
2 HTML5 Video Player – mp4 Video Player Plugin and Block <= 2.5.35 - Authenticated (Contributor+) DOM-Based Stored Cross-Site Scripting via heading Parameter CVE-2024-13156 6.4 Webbernaut January 13, 2025
3 HTML5 Video Player – mp4 Video Player Plugin and Block <= 2.5.34 - Missing Authorization to Authenticated (Subscriber+) Limited Options Update CVE-2024-7721 4.3 Lucio Sá September 10, 2024
4 HTML5 Video Player – mp4 Video Player Plugin and Block <= 2.5.32 - Missing Authorization in multiple functions via h5vp_ajax_handler CVE-2024-7727 5.3 Lucio Sá September 10, 2024
5 Flash & HTML5 Video <= 2.5.31 - Authenticated (Subscriber+) Information Exposure CVE-2024-43319 4.3 Ananda Dhakal August 16, 2024
6 Flash & HTML5 Video <= 2.5.30 - Missing Authorization CVE-2024-43296 6.4 Ananda Dhakal August 16, 2024
7 HTML5 Video Player <= 2.5.26 - Unauthenticated SQL Injection CVE-2024-5522 10.0 Mayank Deshmukh May 30, 2024
8 HTML5 Video Player <= 2.5.24 - Unauthenticated SQL Injection via id CVE-2024-1061 6.5 Joshua Martinelle January 31, 2024

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