CVE-2025-11162CWE-79cross-site-scripting

CVE-2025-11162

Medium · published November 5, 2025

CVSS v3.1
6.4
EPSS
0%
Percentile
13.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00231 · 13.2th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-11-05T10:15Z
References (3)
https://plugins.trac.wordpress.org/browser/ultimate-addons-for-gutenberg/tags/2.19.14/classes/class-uagb-loader.php#L522 · [email protected]https://plugins.trac.wordpress.org/browser/ultimate-addons-for-gutenberg/tags/2.19.14/classes/class-uagb-post-assets.php#L1418 · [email protected]https://www.wordfence.com/threat-intel/vulnerabilities/id/2f077817-704f-4595-bfb1-80234dd23f8d?source=cve · [email protected]
EPSS history
Timeline
  • 05 NOV 04:36Z
    Spectra <= 2.19.14 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom CSS
    cvelistv5