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6.4
iVysilani Shortcode Plugin for WordPress Allows Malicious Scripts to Run
CVE-2026-1851
Summary
The iVysilani Shortcode plugin for WordPress has a security weakness that allows attackers to inject malicious code into pages. This can happen if an authenticated user with contributor-level access or above inserts special code into the 'width' field of a shortcode. To protect your site, update to a newer version of the plugin or consider disabling the plugin until a fix is available.
Original title
The iVysilani Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'width' shortcode attribute in all versions up to, and including, 3.0 due to insufficient input san...
Original description
The iVysilani Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'width' shortcode attribute in all versions up to, and including, 3.0 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.
nvd CVSS3.1
6.4
Vulnerability type
CWE-79
Cross-site Scripting (XSS)
- https://plugins.trac.wordpress.org/browser/ivysilani-shortcode/tags/3.0/ivysilan...
- https://plugins.trac.wordpress.org/browser/ivysilani-shortcode/trunk/ivysilani-s...
- https://wordpress.org/plugins/ivysilani-shortcode/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/25fc2600-9b57-405e-995...
Published: 21 Mar 2026 · Updated: 21 Mar 2026 · First seen: 21 Mar 2026