What the vulnerability does
01Description
Missing Authorization vulnerability in HappyFiles HappyFiles Pro happyfiles-pro allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects HappyFiles Pro: from n/a through 1.8.1.
Explanation of Vulnerability in Simple Terms
02Summary
HappyFiles Pro versions up to 1.8.1 lack proper authorization checks, allowing authenticated users with low privileges to disrupt site availability. An attacker can trigger a denial-of-service condition affecting the entire application. The vulnerability requires a valid user account but no special interaction from victims.
What an attacker can do
03Attacker Capabilities
Disrupt site availability and cause the application to become unavailable to all users.
Potential impact on your site
04Site Impact
Your site may become unavailable to visitors if an authenticated user exploits this flaw.
Conditions required to exploit
05Prerequisites
Attacker must have a valid user account with low-level privileges; no victim interaction needed.
Key dates
06Disclosure timeline
December 21, 2025
CVE published
April 28, 2026
Record updated