Back to overview

CVE-2026-10833

MEDIUM
6.4
CVSS 3.1
Description
The Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'configurablePrefix' Block Attribute in all versions up to, and including, 6.1.4 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.

Metadata

CVE ID
CVE-2026-10833
State
PUBLISHED
Assigner
Wordfence
Reserved
2026-06-04 10:27 UTC
Published
2026-06-25 03:42 UTC
Last updated
2026-06-25 03:42 UTC
Primary CWE
CWE-79
CWE-79 Improper Neutralization of Input During Web Page Gene…
Vendor / Product
wpdevteam / Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns
Sources
cve.org  ·  NVD

Severity & Metrics

6.4 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Affected products (1)
VendorProductPlatformVersions
wpdevteam Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns — 0 ≤ 6.1.4
Weakness (CWE)
CWESourceDescription
CWE-79 cna CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS scores (1)
ScoreSeverityVersionSourceVector
6.4 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
References (4)
Back to overview