CVE Vulnerability

CVE-2020-36155

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://wpscan.com/vulnerability/cf13b0f8-5815-4d27-a276-5eff8985fc0b Exploit Third Party Advisory
https://wordpress.org/plugins/ultimate-member/#developers Release Notes 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
Configurations

Configuration 1

cpe:2.3:a:ultimatemember:ultimate_member:*:*:*:*:*:wordpress:*:*
Information

Published : 2021-01-04 06:15

Updated : 2021-01-07 09:26

NVD link : CVE-2020-36155

Mitre link : CVE-2020-36155

Products Affected
No products.
CWE
CWE-269