AUGUST 4, 2026
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Case File

CVE-2026-6439

MEDIUM · CVSS 4.4 EPSS 0.20%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-04-17 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.4. It affects WordPress. Exploitation may require the attacker to be authenticated.

CVE
CVE-2026-6439
Severity
MEDIUM
CVSS
4.4
EPSS
0.20%
WordPress

Original NVD Description

The VideoZen plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 1.0.1. This is due to insufficient input sanitization and output escaping in the videozen_conf() function. The 'lang' POST parameter is stored directly via update_option() without any sanitization, and later echoed inside a <textarea> element without applying esc_textarea() or any equivalent escaping function. This makes it possible for authenticated attackers with Administrator-level access and above to inject arbitrary web scripts into the plugin settings page that will execute whenever any user accesses that page.