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6.4

NextScripts: Social Networks Auto-Poster plugin for WordPress allows attackers to inject malicious scripts

CVE-2026-3228
Summary

A security issue in the NextScripts plugin for WordPress allows hackers to inject malicious code into website pages. This can happen when an attacker with Contributor-level access or higher edits a post. To protect your site, update the plugin to the latest version or remove it if you're not using it.

Original title
The NextScripts: Social Networks Auto-Poster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `[nxs_fbembed]` shortcode in all versions up to, and including, 4.4.6. This is...
Original description
The NextScripts: Social Networks Auto-Poster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `[nxs_fbembed]` shortcode in all versions up to, and including, 4.4.6. This is due to insufficient input sanitization and output escaping on the `snapFB` post meta value. 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)
Published: 10 Mar 2026 · Updated: 13 Mar 2026 · First seen: 11 Mar 2026