CVE-2026-2951
Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor <= 3.5.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Gutentor Block HTML
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
The Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.5.5 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.
| CWE | CWE-79 |
| Vendor | gutentor |
| Product | gutentor – gutenberg blocks – page builder for gutenberg editor |
| Published | Apr 23, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
gutentor / Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor
0 ≤ 3.5.5
References
Credits
Muhammad Yudha - DJ