Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns: A security weakness
Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns is affected by a security weakness. Exploitation requires at least author-level access. The resulting impact depends on how the affected component exposes the vulnerable operation.
- Component
- Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns
- Plugin slug
essential-blocks- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Dec 17, 2025
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Dec 17, 2025 and is one of 31 known issues for this plugin.
Update, patch or deactivate.
Update Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns plugin for WordPress is vulnerable to unauthorized access of data due to a missing or incorrect capability checks on the get_instagram_access_token_callback, google_map_api_key_save_callback and get_siteinfo functions in all versions up to, and including, 5.7.2. This makes it possible for authenticated attackers, with Author-level access and above, to view API keys configured for the external services.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N