Spectra Gutenberg Blocks vulnerabilities

The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to limited file deletion due to insufficient file path validation in the '__construct' function in all versions up to, and including, 2.20.4. This makes it possible for unauthenticated attackers to delete theme files on the server.

The Spectra Gutenberg Blocks plugin for WordPress up to version 2.19.28 is vulnerable to Stored Cross-Site Scripting via the `uagb/image` block due to insufficient input sanitization and output escaping. Authenticated attackers with Contributor-level access or higher can inject arbitrary scripts that execute when a page is visited.

A vulnerability in the Spectra Gutenberg Blocks plugin for WordPress up to version 2.19.25 allows authenticated attackers with Contributor-level access and above to execute remote code on the server via a two-block payload in post content.

The Spectra Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Custom CSS field in all versions up to and including 2.19.14 due to insufficient input sanitization and output escaping. An authenticated attacker with Contributor-level access or higher can inject arbitrary scripts that execute when a user visits the injected page.