User Role Escalation in Mobile Builder WordPress Plugin by Unknown Vendor
CVE-2026-103694

8.8HIGH

Key Information:

Vendor

WordPress
Status
Mobile Builder
Vendor
CVE Published:
11 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-103694?

The Mobile Builder WordPress plugin prior to version 1.4.2 contains a security flaw that fails to properly restrict access to user meta key updates via certain REST routes. This vulnerability permits any logged-in user with a self-registered account, such as customers, to escalate their privileges and grant themselves the administrator role. This could lead to unauthorized access and manipulation of site settings, posing a significant security risk for WordPress installations using this plugin.

Affected Version(s)

Mobile builder 0 <= 1.4.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-103694 - Proof of Concept

References

https://wpscan.com/vulnerability/5d087920-26f3-4c71-bfcb-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Raphael P. Cigana
WPScan
.