CVE-2025-13320

Description

The WP User Manager plugin for WordPress is vulnerable to Arbitrary File Deletion in all versions up to, and including, 2.9.12. This is due to insufficient validation of user-supplied file paths in the profile update functionality combined with improper handling of array inputs by PHP's filter_input() function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary files on the server via the 'current_user_avatar' parameter in a two-stage attack which can make remote code execution possible. This only affects sites with the custom avatar setting enabled.

CVSS v3.1 Score

6.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

Weakness Type (CWE)

CWE-73 CWE-73

References

Other References

https://plugins.trac.wordpress.org/browser/wp-user-manager/tags/2.9.12/includes/forms/trait-wpum-account.php#L70 https://plugins.trac.wordpress.org/browser/wp-user-manager/tags/2.9.12/includes/forms/trait-wpum-account.php#L75 https://plugins.trac.wordpress.org/browser/wp-user-manager/tags/2.9.12/includes/forms/trait-wpum-account.php#L86 https://plugins.trac.wordpress.org/browser/wp-user-manager/trunk/includes/forms/trait-wpum-account.php#L70 https://plugins.trac.wordpress.org/browser/wp-user-manager/trunk/includes/forms/trait-wpum-account.php#L75 https://plugins.trac.wordpress.org/browser/wp-user-manager/trunk/includes/forms/trait-wpum-account.php#L86 https://plugins.trac.wordpress.org/changeset/3420956/wp-user-manager/trunk/includes/forms/trait-wpum-account.php https://www.wordfence.com/threat-intel/vulnerabilities/id/9d8304bf-bec2-4fcf-9fe2-46b626b3dae9?source=cve

Frequently Asked Questions

What is CVE-2025-13320? +

The WP User Manager plugin for WordPress is vulnerable to Arbitrary File Deletion in all versions up to, and including, 2.9.12. This is due to insufficient validation of user-supplied file paths in the profile update functionality combined with improper handling of array inputs by PHP's filter_input() function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary files on the server via the 'current_user_avatar' parameter in a two-stage attack which can make remote code execution possible. This only affects sites with the custom avatar setting enabled. It has a CVSS v3.1 base score of 6.8 (MEDIUM).

How severe is CVE-2025-13320? +

CVE-2025-13320 has a CVSS v3.1 score of 6.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-13320? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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