CVE-2020-36156

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.

CVSS v3.1 NVD

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

CVSS v3.1 MITRE

9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0 NVD

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

2.06% chance of exploitation in the next 30 days, 81st percentile

Published

2021-01-04

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/dd4c4ece-7206-4788-8747-f0c0f3ab0a53

Security advisories

• https://wordpress.org/plugins/ultimate-member/#developers
• https://www.wordfence.com/blog/2020/11/critical-privilege-escalation-vulnerabilities-affe…

References

• CVE Record
• NVD entry