CVE-2025-14552
Stored XSS in MediaPress WordPress Plugin mpp-uploader Shortcode
Publication date: 2026-01-06
Last updated on: 2026-01-06
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mediapress | mediapress | to 1.6.1 (inc) |
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 MediaPress plugin for WordPress is a Stored Cross-Site Scripting (XSS) issue that occurs via the plugin's mpp-uploader shortcode. It affects all versions up to and including 1.6.1. The root cause is insufficient input sanitization and output escaping on user-supplied attributes. 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.
How can this vulnerability impact me? :
This vulnerability can allow attackers with contributor-level access or above to inject malicious scripts into pages viewed by other users. This can lead to unauthorized actions such as session hijacking, defacement, or theft of sensitive information. Since the scripts execute in the context of the affected site, it can compromise user accounts and site integrity.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, immediately update the MediaPress plugin to a version later than 1.6.1 where the issue is fixed. Additionally, restrict contributor-level access and above to trusted users only, as the vulnerability requires authenticated contributor access. Monitor and sanitize any user-supplied attributes in the mpp-uploader shortcode to prevent stored cross-site scripting attacks.