PT-2025-31731 · WordPress · Mmm Unity Loader

Muhammad Yudha · Published 2025-08-02 · Updated 2025-08-02 · CVE-2025-8399

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Mmm Unity Loader plugin for WordPress versions prior to 1.0

Description The Mmm Unity Loader plugin for WordPress is susceptible to Stored Cross-Site Scripting via the attributes parameter 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 will execute when a user accesses the injected page.

Recommendations Update the Mmm Unity Loader plugin to a version later than 1.0.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-8399

Affected Products

Mmm Unity Loader

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2025-8399 · Security Note
• https://twitter.com/CVEnew/status/1951573346480439471 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1951582965147783392 · Twitter Post
• https://plugins.svn.wordpress.org/mmm-unity-loader/trunk/mmm-unity-loader.php · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/2cee1d75-278c-45c6-915d-60aae6a4d3a2?source=cve · Note
• https://t.me/CVEtracker/29011 · Telegram Post
• https://wordpress.org/plugins/mmm-unity-loader/#developers · Note