AUGUST 4, 2026
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Case File

CVE-2025-4420

MEDIUM · CVSS 6.4 EPSS 0.25%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-06-03 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.4. It affects WordPress. Exploitation may require the attacker to be authenticated.

CVE
CVE-2025-4420
Severity
MEDIUM
CVSS
6.4
EPSS
0.25%
WordPress

Original NVD Description

The Vayu Blocks – Gutenberg Blocks for WordPress & WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘containerWidth’ parameter in all versions up to, and including, 1.3.1 due to a missing capability check on the vayu_blocks_option_panel_callback() function and insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.