The Page Builder Gutenberg Blocks – CoBlocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.1.16 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.
CVE-2026-27094 is a medium severity with CVSS 6.4 Stored Cross-Site Scripting issue affecting the Plugin Page Builder Gutenberg Blocks – CoBlocks. It affects Versions up to 3.1.16 and is fixed in 3.1.17.
CVE-2026-27094 is tracked for the Plugin Page Builder Gutenberg Blocks – CoBlocks as medium severity with CVSS 6.4. The affected range is Versions up to 3.1.16. Update Page Builder Gutenberg Blocks – CoBlocks to 3.1.17 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
coblocks
View on wordpress.org
|
| CVE | CVE-2026-27094 |
| Patched Versions |
3.1.17
|
| Affected Versions |
Versions up to 3.1.16
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Page Builder Gutenberg Blocks <= 3.1.16 - Authenticated (Contributor+) Stored Cross-Site Scripting via External iCal Feed Data
Page Builder Gutenberg Blocks – CoBlocks <= 3.1.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via Social Profiles
Page Builder Gutenberg Blocks – CoBlocks <= 3.1.6 - Authenticated (Contributor+) Stored Cross-Site Scripting
Page Builder Gutenberg Blocks – CoBlocks <= 3.1.6 - Authenticated (Contributor+) Stored Cross-Site Scripting
Page Builder Gutenberg Blocks – CoBlocks <= 3.1.12 - Authenticated (Editor+) Stored Cross-Site Scripting
CoBlocks <= 3.1.13 - Missing Authorization
Page Builder Gutenberg Blocks – CoBlocks <= 3.1.11 - Authenticated (Contributor+) Server-Side Request Forgery
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