CVE-2025-8566
BaseFortify
Publication date: 2025-09-30
Last updated on: 2026-04-08
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordpress | wordpress | * |
| cssigniter | gutenbee | * |
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
How can this vulnerability impact me? :
This vulnerability can allow attackers with Contributor-level access to inject malicious scripts into WordPress pages. When other users visit these pages, the malicious scripts execute in their browsers, potentially leading to theft of user data, session hijacking, defacement, or other malicious actions. This compromises the security and integrity of the affected website and its users.
Can you explain this vulnerability to me?
The vulnerability in the GutenBee β Gutenberg Blocks WordPress plugin is a Stored Cross-Site Scripting (XSS) issue. It occurs via parameters in the CountUp and Google Maps Blocks due to insufficient input sanitization and output escaping. This allows authenticated attackers with Contributor-level access or higher to inject arbitrary web scripts into pages. These scripts execute whenever any user accesses the injected page.
What immediate steps should I take to mitigate this vulnerability?
Immediately remove or deactivate the GutenBee β Gutenberg Blocks plugin from your WordPress installation, as it has been closed and removed from download availability pending a full security review. Avoid using versions up to and including 2.18.0. Monitor for updates or patches from the plugin developers before re-enabling or reinstalling the plugin. [1]