CVE-2026-3139
User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor <= 3.15.5 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary Post Author Reassignment via Avatar Field
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
The User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 3.15.5 via the wppb_save_avatar_value() function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to reassign ownership of arbitrary posts and attachments by changing 'post_author'.
| CWE | CWE-639 |
| Vendor | cozmoslabs |
| Product | user profile builder – beautiful user registration forms, user profiles & user role editor |
| Published | Mar 31, 2026 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
cozmoslabs / User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor
0 ≤ 3.15.5
References
Credits
M Indra Purnama