CVE-2026-3139Disclosure

LOWCVSS 4.3 · MEDIUM

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD 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'.

1.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-639

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Threat summary

  • Public PoC is present in monitored signal
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 2 mentions (2026-03-31); latest day: 1
  • 3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-03-31: 2Mentions · 2026-04-01: 1PoC Mentioned / Linked · 2026-04-01: 1Technical Details · 2026-03-31: 203-3104-01
Signal classification2 categories
Disclosure
266.7%
PoC
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-03-312
Disclosure2
2026-04-011
PoC1
Full discourse3 posts
  • CVE@CVEnew
    Disclosure

    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… https://www.cve.org/CVERecord?id=CVE-2026-3139

    Post summary

    The statement announces CVE-2026-3139, noting an Insecure Direct Object Reference flaw in the User Profile Builder WordPress plugin, and directs readers to the official CVE record for details.

    00010203
    56.9K followersView on X
  • Atomic Edge@atomicedgeWAF
    PoC

    https://atomicedge.io/cve-proof/cve-2026-3139-profile-builder-version-3-15-5-medium-vulnerability-proof-of-concept CVE-2026-3139 #WordPress plugin #vulnerability profile-builder#cybersecurity #wordpressfirewall #wordpresssecurity #hacking #wpsecurity #atomicedge

    Post summary

    A proof‑of‑concept for CVE-2026-3139 targeting the WordPress Profile Builder plugin is linked; no evidence of active exploitation, patches, or detailed exploit code is provided.

    0000050
    5 followersView on X
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    Disclosure

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: 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 Aut… https://ift.tt/XBzoiw7

    Post summary

    The alert announces CVE‑2026‑3139, a vulnerability in User Profile Builder versions ≤3.15.5 involving an insecure direct object reference for authenticated subscribers, but it does not include exploitation code, patch info, or evidence of active attacks.

    0000020
    281 followersView on X

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