What the vulnerability does
01Description
Missing Authorization vulnerability in designthemes Reservation Plugin dt-reservation-plugin allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Reservation Plugin: from n/a through <= 1.7.
Explanation of Vulnerability in Simple Terms
02Summary
The Reservation Plugin for designthemes contains a missing authorization flaw that allows unauthenticated attackers to modify data and disrupt service. No user interaction is required; the vulnerability is exploitable over the network. Affected versions are 1.7 and earlier. Site administrators should update to a version newer than 1.7 when available.
What an attacker can do
03Attacker Capabilities
Modify reservation data and cause service disruption without authentication.
Potential impact on your site
04Site Impact
Attackers can alter or delete reservations and disrupt booking functionality without logging in.
Conditions required to exploit
05Prerequisites
Network access only; no authentication or user interaction required.
Key dates
06Disclosure timeline
January 22, 2026
CVE published
April 28, 2026
Record updated