Description

WordPress Plugin Ultimate Member-User Profile, Registration, Login, Member Directory, Content Restriction & Membership is prone to a privilege escalation vulnerability. Exploiting this issue may allow attackers to bypass the expected capabilities check and perform otherwise restricted actions; other attacks are also possible. WordPress Plugin Ultimate Member-User Profile, Registration, Login, Member Directory, Content Restriction & Membership version 2.1.11 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 2.1.12 or latest

References

https://www.wordfence.com/blog/2020/11/critical-privilege-escalation-vulnerabilities-affect-100k-sites-using-ultimate-member-plugin/

https://plugins.svn.wordpress.org/ultimate-member/trunk/readme.txt

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Severity

High

Classification

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Tags

Missing Update Privilege Escalation CWE-264 CVE-2020-36155 CVE-2020-36156 CVE-2020-36157