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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

Published: Mar 31, 2026Updated: Apr 24, 2026 Sources: CVE List NVDCWE-639
NVD MITRE
4.3CVSSMEDIUM
EPSS Score
0.2%
Top 93.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

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'.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-639

Affected Products

User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editorcozmoslabs
Mixed
Web & CMS Plugins / wordpress-plugin
cozmoslabscommercialWeb & CMS Plugins

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Initial Access
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References

https://plugins.trac.wordpress.org/changeset/3481772/profile-builder
plugins.trac.wordpress.org
https://www.wordfence.com/threat-intel/vulnerabilities/id/760f7736-db49-4210-a2f3-3abb506106d7?source=cve
wordfence.com

Timeline

Published
Mar 31, 2026
Last Updated
Apr 24, 2026

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