cleantalk
Vulnerabilities and Security Researches

Spectra – WordPress Gutenberg Blocks, CVE-2026-16302

CVE, Research URL

CVE-2026-16302

Published on
Sep 24, 2026
Research Description
Spectra Legacy – Gutenberg Blocks [ultimate-addons-for-gutenberg] < 2.20.1 CVE-2026-16302 [en] 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.
Affected versions
max 2.20.1.
Status
vulnerable