What the vulnerability does
01Description
Cross-Site Request Forgery (CSRF) vulnerability in ProteusThemes Custom Sidebars by ProteusThemes custom-sidebars-by-proteusthemes allows Cross Site Request Forgery.This issue affects Custom Sidebars by ProteusThemes: from n/a through <= 1.0.3.
Explanation of Vulnerability in Simple Terms
02Summary
Custom Sidebars by ProteusThemes versions 1.0.3 and earlier are vulnerable to cross-site request forgery (CSRF). An attacker can craft a malicious webpage that, when visited by a logged-in site administrator, performs unwanted actions on the site without the administrator's knowledge or consent. The attack requires the victim to visit the attacker's page while authenticated.
What an attacker can do
03Attacker Capabilities
Perform unwanted actions on the site by tricking an authenticated admin into visiting a malicious webpage.
Potential impact on your site
04Site Impact
An attacker can modify site settings or content if an admin visits a malicious link while logged in to WordPress.
Conditions required to exploit
05Prerequisites
Site admin must be logged in and visit an attacker-controlled page; no special privileges or authentication by the attacker required.
Key dates
06Disclosure timeline
December 9, 2025
CVE published
April 28, 2026
Record updated