CVE-2026-18488: Improper Neutralization of Input During Web Page Generation

The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'tagName' Block Attribute blocksy/dynamic-data in all versions up to, and including, 2.1.51 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers,...

WordPress Blocksy Companion plugin <= 2.1.51 - Authenticated (Author+) Stored Cross-Site Scripting via 'tagName' Block Attribute (blocksy/dynamic-data) vulnerability

Authenticated Author+ Stored Cross-Site Scripting via 'tagName' Block Attribute blocksy/dynamic-data vulnerability discovered by haofanjiukunle in WordPress Plugin Blocksy Companion versions = 2.1.51...