What the vulnerability does
01Description
The EmbedPress – Embed PDF, Google Docs, Vimeo, Wistia, Embed YouTube Videos, Audios, Maps & Embed Any Documents in Gutenberg & Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Wistia embed block in all versions up to, and including, 3.9.10 due to insufficient input sanitization and output escaping on the user supplied url. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
02Summary
EmbedPress versions up to 3.9.10 contain a stored cross-site scripting (XSS) vulnerability that allows authenticated users with low privileges to inject malicious scripts. These scripts execute in the browsers of other site visitors, potentially compromising their sessions or stealing data. The vulnerability affects the site's scope beyond the plugin itself.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that runs in other users' browsers when they view affected content.
Potential impact on your site
04Site Impact
Visitors to your site may have their sessions hijacked, credentials stolen, or be redirected to malicious sites.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege authenticated account (e.g., subscriber or contributor role).
Key dates
06Disclosure timeline
March 7, 2024
CVE published
April 8, 2026
Record updated
