Cross-site Scripting Vulnerability in Gutenberg Plugin by WordPress
CVE-2025-64354

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Gutenberg
Vendor
CVE Published:
31 October 2025

What is CVE-2025-64354?

A stored Cross-site Scripting (XSS) vulnerability exists in the Gutenberg Plugin by WordPress, affecting versions up to 21.8.2. This vulnerability allows attackers to inject malicious scripts into web pages, which can be executed when users interact with the affected pages. Successful exploitation could lead to unauthorized actions on behalf of the victim or exposure of sensitive user data. Administrators and website owners are strongly advised to update to the latest version of the plugin to mitigate this risk.

Affected Version(s)

Gutenberg <= n/a

References

https://vdp.patchstack.com/database/Wordpress/Plugin/gute...
vdb-entry

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Peter Thaleikis | Patchstack Bug Bounty Program
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CVE-2025-64354 : Cross-site Scripting Vulnerability in Gutenberg Plugin by WordPress