Description
An issue was discovered in the Ultimate Member plugin before 2.1.12 for WordPress, aka Unauthenticated Privilege Escalation via User Roles. Due to the lack of filtering on the role parameter that could be supplied during the registration process, an attacker could supply the role parameter with a WordPress capability (or any custom Ultimate Member role) and effectively be granted those privileges.
Remediation
References
Related Vulnerabilities
Lighttpd Integer Overflow or Wraparound Vulnerability (CVE-2019-11072)
WordPress Plugin BulletProof Security Information Disclosure (5.1)
WordPress Plugin Visual Form Builder Cross-Site Scripting (3.0.3)
WordPress Plugin Media Library Assistant Multiple Cross-Site Scripting Vulnerabilities (2.73)
WordPress Plugin MM Forms Community 'doajaxfileupload.php' Arbitrary File Upload (2.2.6)