plugin
4 known security issues reported for the Markup Markdown WordPress plugin. Most recent disclosed Sep 1, 2025.
Running Markup Markdown on your site? Check whether your installed version is affected.
Scan your site freeThe Markup Markdown plugin for WordPress is vulnerable to Stored Cross-Site Scripting via markdown links in all versions up to, and including, 3.20.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitra...
The Markup Markdown plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the markdown support in all versions up to, and including, 3.20.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject a...
[en] Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Pierre-Henri Lavigne Markup Markdown allows Stored XSS. This issue affects Markup Markdown: from n/a through 3.20.6.
The Markup Markdown plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.20.6 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...
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