XSS in Servmask All-In-One Wp Migration Unlimited Extension

CVE-2026-6128

The All-in-One WP Migration Unlimited Extension plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'ai1wm_backups_path' parameter in all versions up to, and including, 2.84. This is due to insufficient input sanitization and output escaping on user-supplied attributes combined with missing authorization checks on the settings() function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever an administrator accesses the plugin settings page. The vulnerability was partially patched in version 2.84.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-6128?
CVE-2026-6128 is a medium-severity vulnerability in Servmask All-In-One Wp Migration Unlimited Extension, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-08-28.
How severe is CVE-2026-6128?
Medium severity. CVSS v3 base score is 6.4 out of 10.