CVE-2026-1404

medium

Description

The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the filter parameters (e.g., 'filter_first_name') in all versions up to, and including, 2.11.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/ba62b804-f101-4e29-8304-fb2b7dad333c?source=cve

https://plugins.trac.wordpress.org/changeset/3458086/

https://plugins.trac.wordpress.org/browser/ultimate-member/trunk/templates/members.php#L348

https://plugins.trac.wordpress.org/browser/ultimate-member/trunk/assets/js/um-members.js#L515

Details

Source: Mitre, NVD

Published: 2026-02-18

Updated: 2026-02-18

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Severity: Medium