What the vulnerability does
01Description
Cross-Site Request Forgery (CSRF) vulnerability in Wasiliy Strecker / ContestGallery developer Contest Gallery contest-gallery allows Cross Site Request Forgery.This issue affects Contest Gallery: from n/a through <= 28.0.0.
Explanation of Vulnerability in Simple Terms
02Summary
Contest Gallery versions 28.0.0 and earlier contain a cross-site request forgery (CSRF) vulnerability. An attacker can craft a malicious webpage that, when visited by a logged-in site administrator, performs unwanted actions on the gallery without the admin's knowledge or consent. The vulnerability requires the victim to visit the attacker's page while authenticated to the site.
What an attacker can do
03Attacker Capabilities
Perform unwanted actions on the gallery by tricking an authenticated admin into visiting a malicious webpage.
Potential impact on your site
04Site Impact
An attacker can modify gallery settings or content if they trick your admin into clicking a malicious link while logged in.
Conditions required to exploit
05Prerequisites
The site admin must be logged in and visit a page controlled by the attacker.
Key dates
06Disclosure timeline
November 6, 2025
CVE published
April 28, 2026
Record updated