CVE-2025-11270
BaseFortify
Publication date: 2025-10-18
Last updated on: 2025-10-21
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordpress | essential_blocks | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Stored Cross-Site Scripting (XSS) issue in the Gutenberg Essential Blocks WordPress plugin, specifically via the 'titleTag' attribute. It occurs because the plugin does not properly sanitize and escape input for this attribute, allowing authenticated users with Contributor-level access or higher to inject malicious JavaScript code. This malicious code is then stored and executed whenever any user views the affected page.
How can this vulnerability impact me? :
The vulnerability allows attackers with Contributor-level access or above to inject arbitrary scripts into pages. These scripts execute in the context of users who visit the infected pages, potentially leading to session hijacking, defacement, or other malicious actions that compromise user security and site integrity.
What immediate steps should I take to mitigate this vulnerability?
Update the Gutenberg Essential Blocks plugin to version 5.7.2 or later, which includes a fix that improves escaping of the 'titleTag' attribute to prevent stored cross-site scripting. This update replaces insecure escaping functions with safer ones, mitigating the vulnerability. [2]