CVE-2025-8399
BaseFortify
Publication date: 2025-08-02
Last updated on: 2025-08-04
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordpress | mmm_unity_loader | * |
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?
The vulnerability in the Mmm Unity Loader WordPress plugin is a Stored Cross-Site Scripting (XSS) issue occurring via the 'attributes' parameter. Due to insufficient input sanitization and output escaping, authenticated users with Contributor-level access or higher can inject malicious scripts into pages. These scripts execute whenever any user accesses the infected page, potentially compromising user interactions and data.
How can this vulnerability impact me? :
This vulnerability can allow attackers with Contributor-level access to inject malicious scripts that execute in the browsers of users visiting the affected pages. This can lead to unauthorized actions such as session hijacking, defacement, or theft of sensitive information, impacting website integrity and user trust.
What immediate steps should I take to mitigate this vulnerability?
Immediate steps to mitigate this vulnerability include disabling or uninstalling the Mmm Unity Loader plugin, especially since it has been closed and is unavailable for download pending a full review. Avoid using versions up to and including 1.0, as they are vulnerable. Monitor for updates or patches from the plugin developer before re-enabling it. [1]