Vulnerability 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 Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ultimatemember | Ultimate Member | < 2.1.12 |
Related Weaknesses (CWE)
References
- https://wordpress.org/plugins/ultimate-member/#developersRelease NotesThird Party Advisory
- https://wpscan.com/vulnerability/cf13b0f8-5815-4d27-a276-5eff8985fc0bExploitThird Party Advisory
- https://www.wordfence.com/blog/2020/11/critical-privilege-escalation-vulnerabiliExploitThird Party Advisory
- https://wordpress.org/plugins/ultimate-member/#developersRelease NotesThird Party Advisory
- https://wpscan.com/vulnerability/cf13b0f8-5815-4d27-a276-5eff8985fc0bExploitThird Party Advisory
- https://www.wordfence.com/blog/2020/11/critical-privilege-escalation-vulnerabiliExploitThird Party Advisory
FAQ
What is CVE-2020-36155?
CVE-2020-36155 is a vulnerability with a CVSS score of 10.0 (CRITICAL). 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 met...
How severe is CVE-2020-36155?
CVE-2020-36155 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-36155?
Check the references section above for vendor advisories and patch information. Affected products include: Ultimatemember Ultimate Member.