CVE-2026-3139
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'.
Published:Mar 31, 2026
Last Modified:Apr 24, 2026
EPS:Mar 31, 2026
EPSS Score:0.00029
CVSS Score:4.3
Affected Products
Vendor
Product
Action
Vendor
Cozmoslabs
Product
User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor
Cozmoslabs
User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor
Vendor
Wordpress
Product
Wordpress
Wordpress
Wordpress
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
