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CVE-2026-6401

MEDIUM · CVSS 4.3 EPSS 0.19%

Source: NVD + CISA KEV + EPSS · Published: 2026-05-20 · Last synced: 2026-06-17

CyberRota Analysis

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CVE
CVE-2026-6401
Severity
MEDIUM
CVSS
4.3
EPSS
0.19%
WordPress

Original NVD Description

The Bottom Bar plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to and including 0.1.7. This is due to missing nonce verification on the plugin's settings update forms handled in bottom-bar-admin.php. None of the three settings forms (main settings, sharing services, restore defaults) include a wp_nonce_field(), and the server-side processing code never calls check_admin_referer() or any equivalent nonce validation before processing POST data and calling update_option(). This makes it possible for unauthenticated attackers to trick a logged-in administrator into submitting a crafted request that updates plugin configuration options, such as changing the language, maximum post counts, or enabled sharing services.