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Ultimate Member <= 2.6.6 - Privilege Escalation via Arbitrary User Meta Updates
| CVE | CVE-2023-3460 |
|---|---|
| CVSS | 9.8 (Critical) |
| Publicly Published | June 29, 2023 |
| Last Updated | January 22, 2024 |
| Researcher |
Marc-Alexandre Montpas
|
Description
The Ultimate Member plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 2.6.6. This is due to the plugin using a predefined list of user meta keys that are banned which can be bypassed via a few method like adding slashes to the user meta key. This makes it possible for unauthenticated attackers to register on a site as an administrator.
Wordfence blocked 363 attacks targeting this vulnerability in the past 24 hours.
References
- plugins.svn.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
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Vulnerability Details for Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin
| Software Type | Plugin |
|---|---|
| Software Slug | ultimate-member (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 2.6.7, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
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