Auth bypass in Ultimatemember Forumwp

CVE-2024-8428

The ForumWP – Forum & Discussion Board Plugin plugin for WordPress is vulnerable to Privilege Escalation via Insecure Direct Object Reference in all versions up to, and including, 2.0.2 via the submit_form_handler due to missing validation on the 'user_id' user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to change the email address of administrative user accounts which can then be leveraged to reset the administrative users password and gain access to their account.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.005 (39.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-8428?
CVE-2024-8428 is a high-severity vulnerability in Ultimatemember Forumwp, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2024-09-06.
How severe is CVE-2024-8428?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-8428 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.