CVE-2025-11162
Spectra <= 2.19.14 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom CSS
- State
- Published
- Severity
- 6.4 Medium
- Published
- Nov 5, 2025
- Updated
- Apr 8, 2026
- Reserved
- Sep 29, 2025
Description
The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Custom CSS in all versions up to, and including, 2.19.14 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 | 6.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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 |
|---|---|
Spectra Gutenberg Blocks – Website Builder for the Block Editorbrainstormforce |
|
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/2f077817-704f-4595-bfb1-80234dd23f8d?source=cve
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-gutenberg/tags/2.19.14/classes/class-uagb-loader.php#L522
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-gutenberg/tags/2.19.14/classes/class-uagb-post-assets.php#L1418
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