Description
An issue was discovered in the Ultimate Member plugin before 2.1.12 for WordPress, aka Authenticated Privilege Escalation via Profile Update. Any user with wp-admin access to the profile.php page could supply the parameter um-role with a value set to any role (e.g., Administrator) during a profile update, and effectively escalate their privileges.
Metrics
CVSS 3.1 8.8/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://wordpress.org/plugins/ultimate-member/#developersRelease Notes, Third Party Advisory
- https://wpscan.com/vulnerability/dd4c4ece-7206-4788-8747-f0c0f3ab0a53Exploit, Third Party Advisory
- https://www.wordfence.com/blog/2020/11/critical-privilege-escalation-vulnerabilities-affect-100k-sites-using-ultimate-member-plugin/Exploit, Third Party Advisory
- https://wordpress.org/plugins/ultimate-member/#developersRelease Notes, Third Party Advisory
- https://wpscan.com/vulnerability/dd4c4ece-7206-4788-8747-f0c0f3ab0a53Exploit, Third Party Advisory
- https://www.wordfence.com/blog/2020/11/critical-privilege-escalation-vulnerabilities-affect-100k-sites-using-ultimate-member-plugin/Exploit, Third Party Advisory
Timeline
- Published
- Jan 4, 2021
- Last modified
- Jun 17, 2026
- NVD status
- Modified