CVE-2026-16051

CRITICAL CVSS 3.1: 9.8 EPSS 0.59%
Updated Aug 12, 2026
WordPress
Parameter Value
CVSS 9.8 (CRITICAL)
Affected Versions before 5.0.1
Type CWE-94 (Code Injection)
Vendor WordPress
Public PoC No

The wpmudev-updates WordPress plugin before 5.0.1 does not verify the integrity of the packages installed through its remote management interface, nor protect those requests against replay, allowing an attacker able to obtain or replay a valid signed management request to install and execute arbitrary code (remote code execution).

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)