Privilege Escalation in Simple User Registration Plugin for WordPress
CVE-2026-0844
8.8HIGH
What is CVE-2026-0844?
The Simple User Registration plugin for WordPress suffers from a vulnerability that allows authenticated users with minimal permissions to escalate their privileges. This occurs due to inadequate safeguards in the 'profile_save_field' function, enabling subscribers to modify their user role by manipulating the 'wp_capabilities' parameter during profile updates. Such an exploit could lead to unauthorized access and potential control over user accounts, posing a significant risk to website security.

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Affected Version(s)
Simple User Registration * <= 6.7
References
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
Vulnerability published
Vulnerability Reserved
Credit
JohSka