What the vulnerability does
01Description
Missing Authorization vulnerability in Evergreen Content Poster Evergreen Content Poster evergreen-content-poster allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Evergreen Content Poster: from n/a through <= 1.4.5.
Explanation of Vulnerability in Simple Terms
02Summary
Evergreen Content Poster versions 1.4.5 and earlier lack proper authorization checks, allowing authenticated users to trigger a denial-of-service condition. An attacker with low-level account access can make requests that degrade site availability. The vulnerability requires valid login credentials but no special privileges.
What an attacker can do
03Attacker Capabilities
Authenticated user can degrade site availability by triggering resource exhaustion.
Potential impact on your site
04Site Impact
Site availability may be impacted by authenticated users with low-level accounts.
Conditions required to exploit
05Prerequisites
Attacker must have a valid low-privilege account on the site.
Key dates
06Disclosure timeline
October 29, 2025
CVE published
April 28, 2026
Record updated