CVE-2025-14552
Unknown Unknown - Not Provided

Stored XSS in MediaPress WordPress Plugin mpp-uploader Shortcode

Publication date: 2026-01-06

Last updated on: 2026-01-06

Assigner: Wordfence

Description
The MediaPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's mpp-uploader shortcode in all versions up to, and including, 1.6.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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Meta Information

Published
2026-01-06
Last Modified
2026-01-06
Generated
2026-07-06
AI Q&A
2026-01-06
EPSS Evaluated
2026-07-04
NVD
CVE-2025-14552
EUVD
EUVD-2026-1063

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mediapress mediapress to 1.6.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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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.

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Executive Summary

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.

Impact Analysis

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.

Mitigation Strategies

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.

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