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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

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

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

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

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Configurations

Configuration 1 (hide)

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

Information

Published : 2021-01-04 10:15

Updated : 2021-01-07 13:26

NVD link : CVE-2020-36155

Mitre link : CVE-2020-36155

JSON object : View

CWE

CWE-269

Improper Privilege Management

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Products Affected

ultimatemember

ultimate_member

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