What the vulnerability does
01Description
The EmbedPress – PDF Embedder, Embed PDF viewer, YouTube Videos, 3D FlipBook, Social feeds & more plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the block 'url' attribute in all versions up to, and including, 4.5.3 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
Explanation of Vulnerability in Simple Terms
02Summary
EmbedPress versions up to 4.5.3 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, meaning impacts extend beyond the vulnerable component 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' sessions and data may be compromised; site reputation and user trust at risk.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege authenticated account (e.g., contributor or subscriber role).
Key dates
06Disclosure timeline
June 6, 2026
CVE published
June 6, 2026
Record updated
