Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates, CVE-2026-10833
- CVE, Research URL
- Home page URL
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Security reports for Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates
- Published on
- Jun 25, 2026
- Research Description
- The Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'configurablePrefix' Block Attribute in all versions up to, and including, 6.1.4 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.
- Affected versions
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max 6.2.0.
- Status
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vulnerable
| Previous vulnerability researches |
|---|
| BirdSeed (CVE-2026-4071) , Jun 04, 2026 |