CVE-2022-3384

Name: CVE-2022-3384
Creator: NVD / NIST
Published: 2022-11-29T21:15:11.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 2.73%

Last modified Jun 17, 2026

CVE-2022-3384 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. The Ultimate Member plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 2.5.0 via the populate_dropdown_options function that accepts user supplied input and passes it through call_user_func(). This is restricted to non-parameter PHP functions like phpinfo(); since user supplied parameters are not passed through the function. EPSS estimates a 2.73% chance of exploitation in the next 30 days.

Description

The Ultimate Member plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 2.5.0 via the populate_dropdown_options function that accepts user supplied input and passes it through call_user_func(). This is restricted to non-parameter PHP functions like phpinfo(); since user supplied parameters are not passed through the function. This makes it possible for authenticated attackers, with administrative privileges, to execute code on the server.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.73%

84.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Ultimatemember	Ultimate Member	<= 2.5.0

References

https://github.com/H4de5-7/vulnerabilities/blob/main/CVE-2022-3383%20%26%26%20CVE-2022-3384.mdExploit, Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2805393%40ultimate-member&new=2805393%40ultimate-member&sfp_email=&sfph_mail=Patch, Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/cdcdbba7-8280-457b-a511-66a486978a31?source=cve
https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-3384Third Party Advisory
https://www.yuque.com/docs/share/8796eef9-ac4c-4339-96b4-6c21313ecf3eExploit, Third Party Advisory
https://github.com/H4de5-7/vulnerabilities/blob/main/CVE-2022-3383%20%26%26%20CVE-2022-3384.mdExploit, Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2805393%40ultimate-member&new=2805393%40ultimate-member&sfp_email=&sfph_mail=Patch, Third Party Advisory
https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-3384Third Party Advisory
https://www.yuque.com/docs/share/8796eef9-ac4c-4339-96b4-6c21313ecf3eExploit, Third Party Advisory

Timeline

Published: Nov 29, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-3384?

How severe is CVE-2022-3384?

CVE-2022-3384 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 2.73% probability of exploitation in the next 30 days.

How do I fix CVE-2022-3384?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-3384?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST