CVE-2025-11270

MEDIUM

Gutenberg Essential Blocks <= 5.7.1 - Authenticated Stored XSS via 'titleTag'

Title source: llm
STIX 2.1

Description

The Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'titleTag' attribute in all versions up to, and including, 5.7.1 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.

References (2)

Core 2

Scores

CVSS v3 6.4
EPSS 0.0023
EPSS Percentile 14.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
wpdevteam/Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns < 5.7.1
Published Oct 18, 2025
Tracked Since Feb 18, 2026