CVE-2026-12900 Spectra Gutenberg Blocks <= 2.19.28 - Authenticated (Contributor+) Stored Cross-Site Scripting via uagb/image Block

The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the uagb/image block in all versions up to, and including, 2.19.28 due to insufficient input sanitization and output escaping. This makes it possible for...

CVE-2026-12900

The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the uagb/image block in all versions up to, and including, 2.19.28 due to insufficient input sanitization and output escaping. This makes it possible for...

PT-2026-61728

Name of the Vulnerable Software and Affected Versions Spectra Gutenberg Blocks – Website Builder for the Block Editor versions prior to 2.19.29 Description Stored Cross-Site Scripting occurs via the uagb/image block due to insufficient input sanitization and output escaping. This allows...