Arbitrary File Upload Vulnerability in User Frontend Plugin for WordPress
CVE-2026-1565

8.8HIGH

Key Information:

Vendor

WordPress
Status
User Frontend: Ai Powered Frontend Posting, User Directory, Profile, Membership & User Registration
Vendor
CVE Published:
26 February 2026

What is CVE-2026-1565?

The User Frontend plugin for WordPress is susceptible to arbitrary file uploads due to insufficient validation of file types in critical functions. Authenticated users with at least Author-level permissions can exploit this flaw, enabling them to upload potentially malicious files to the server. This flaw presents a significant security risk, as it could lead to remote code execution threats, compromising the integrity and security of the website.

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Affected Version(s)

User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration * <= 4.2.8

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/wp-user-fronte...
https://plugins.trac.wordpress.org/browser/wp-user-fronte...

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

Williwollo
JSON
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