CVE-2020-36155
First published: Mon Jan 04 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ultimate Member | <2.1.12 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-36155?
CVE-2020-36155 is a vulnerability in the Ultimate Member plugin for WordPress that allows unauthenticated privilege escalation via user meta.
What is the severity of CVE-2020-36155?
CVE-2020-36155 has a severity of critical with a CVSS score of 9.8.
How does CVE-2020-36155 impact WordPress sites?
CVE-2020-36155 allows an attacker to escalate their privileges on affected WordPress sites.
How can I fix CVE-2020-36155?
To fix CVE-2020-36155, you should update the Ultimate Member plugin to version 2.1.12 or later.
Are there any additional resources about CVE-2020-36155?
Yes, you can find more information about CVE-2020-36155 at the following references: - [WordPress.org](https://wordpress.org/plugins/ultimate-member/#developers) - [WPScan](https://wpscan.com/vulnerability/cf13b0f8-5815-4d27-a276-5eff8985fc0b) - [Wordfence Blog](https://www.wordfence.com/blog/2020/11/critical-privilege-escalation-vulnerabilities-affect-100k-sites-using-ultimate-member-plugin/)
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