Brainstormforce Spectra Legacy – Gutenberg Blocks vulnerabilities

2 vulnerabilities

Known vulnerabilities in Brainstormforce Spectra Legacy – Gutenberg Blocks, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

4.3CVE-2026-16302brainstormforcespectra legacy – gutenberg blocks+1
EPSS score
0.19%
The Spectra Legacy – Gutenberg Blocks plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.20.0 via the editor_assets function, which exposes the uag_insta_linked_accounts option through the uagb_blocks_info object without a capability check. This makes it possible for authenticated attackers, with Contributor-level access and above, to extract sensitive data including raw Instagram Graph API access tokens configured by an administrator. Exploitation requires the Spectra Pro plugin to be active with a linked Instagram account.6.4CVE-2026-12900brainstormforcespectra legacy – gutenberg blocks+1
EPSS score
0.32%
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 authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.