CVE-2020-36155

Description

An issue was discovered in the Ultimate Member plugin before 2.1.12 for WordPress, aka Unauthenticated Privilege Escalation via User Meta. An attacker could supply an array parameter for sensitive metadata, such as the wp_capabilities user meta that defines a user's role. During the registration process, submitted registration details were passed to the update_profile function, and any metadata was accepted, e.g., wp_capabilities[administrator] for Administrator access.

CVSS Version 3.1

nvd

CVE ID: CVE-2020-36155
Base Score: 9.8
Base Severity: CRITICAL
Vector String:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9

mitre

CVE ID: CVE-2020-36155
Base Score: 10.0
Base Severity: CRITICAL
Vector String:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Impact Score: 6.0
Exploitability Score: 3.9

CVSS Version 2.0

nvd

CVE ID: CVE-2020-36155
Base Score: 7.5
Base Severity: HIGH
Vector String:AV:N/AC:L/Au:N/C:P/I:P/A:P

Refrence: NVDMITRE