anonhaven

CVE-2026-62107

HIGH CVSS 3.1: 8.8 EPSS 0.29%
Updated Sep 12, 2026
PHP
Parameter Value
CVSS 8.8 (HIGH)
Type CWE-502 (Deserialization of Untrusted Data)
Vendor PHP
Public PoC No

Unauthenticated PHP Object Injection in Masteriyo - LMS <= 3.4.0 versions.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic 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)

CWE-502 Deserialization of Untrusted Data

References 1

https://patchstack.com/database/wordpress/plugin/learning-management-system/vul…
audit@patchstack.com
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