Spectra Gutenberg Blocks vulnerabilities

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.