{"id":"CVE-2020-36155","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-36155","generatedAt":"2026-10-28T00:32:53.273Z","title":"An issue was discovered in the Ultimate Member plugin before 2.1.12 for WordPress, aka Unauthenticated Privilege Escalation via User Meta.","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.","published":"2021-01-04T18:15:14.000Z","lastModified":"2026-06-17T03:14:51.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-269"],"affected":["ultimatemember/ultimate member"],"epss":{"score":0.09702,"percentile":0.95476,"date":"2026-10-26","history":[{"date":"2026-10-26","score":0.09702,"percentile":0.95476}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (9.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://wordpress.org/plugins/ultimate-member/#developers","tags":["Release Notes","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://wpscan.com/vulnerability/cf13b0f8-5815-4d27-a276-5eff8985fc0b","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.wordfence.com/blog/2020/11/critical-privilege-escalation-vulnerabilities-affect-100k-sites-using-ultimate-member-plugin/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://wordpress.org/plugins/ultimate-member/#developers","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wpscan.com/vulnerability/cf13b0f8-5815-4d27-a276-5eff8985fc0b","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.wordfence.com/blog/2020/11/critical-privilege-escalation-vulnerabilities-affect-100k-sites-using-ultimate-member-plugin/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-36155","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}