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CVE-2026-6378

MEDIUM · CVSS 6.4 EPSS 0.06% Public Exploit

Source: NVD + CISA KEV + EPSS · Published: 2026-05-02 · Last synced: 2026-06-01

CyberRota Analysis

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Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-6378
Severity
MEDIUM
CVSS
6.4
EPSS
0.06%
WordPress

Original NVD Description

The Maxi Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `/wp-json/maxi-blocks/v1.0/style-card` REST API endpoint in all versions up to, and including, 2.1.9 due to insufficient input sanitization and output escaping of the `sc_styles` parameter. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts that execute on every page where the plugin's style card styles are loaded, including across the entire WordPress admin panel.