CVE-2026-2951
Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor <= 3.5.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Gutentor Block HTML
- State
- Published
- Severity
- 5.4 Medium
- Published
- Apr 23, 2026
- Updated
- Apr 23, 2026
- Reserved
- Feb 21, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | Wordfence |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editorgutentor |
|
References
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